Milweld | H-10 | MIL-STD-22 has been redesignated as a Design

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NOTE: MIL-STD-22 has been redesignated as a Design Criteria Standard. The cover
page has been changed for Administrative reasons. There are no other changes
to this Document.
MIL-STD-22D
25 MAY 1979___
SUPERSEDING
MIL-STD-0022C (SH)
29 AUGUST 1977
SUPERCEDING
MIL-STD-0022B (SHIPS)
8 MAY 1969, and
MIL-STD-22A
24 OCTOBER 1956
DEPARTMENT OF DEFENSE
DESIGN CRITERIA
WELDED JOINT DESIGN
AMSC N/A
FSC THJM
DISTRIBUTION STATEMENT A. Approved for public release; distribution is
unlimited.
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MI L-S,Tb-22ti
25 way 1%79
NAvkL SEA sysT3xs couwm
DEPARTMENT OF TkIC NAVY
WASH SI*L-KM4
. DC
20>62
Welded Joint De8ign
YIL-STD-22D
1. This Military standard
the Department of Defense.
is approved
fox use by all Departmx,ts
and aoencies of
2. Beneficial cm. nts (.ecomruIndation. , addition. , deletions) and an? pertinent
data which nay he of use 1. impro.:ing this document sh?ul< be sd%?t?.qsecl
IX : Cmina.der,
Naval Sea system. Corrcnark,SEA 3112, Deparunent of the Navy, !Ja.hi.qton, IX 2C352 by
using the sel f-e.ddremscd Standard
iz. aticm Document lInprov.rnentProposal (ml Form 1426)
q+uacin$
at Lt...r.ila: +S,iJI&aur41r8t or by iec LeL’.
:i
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MI L-STD-22D
25 nay 1919
FOREWOILD
Thie standard contains scru.tur.l and piping system weld joint designs for hip
c-ret.
tr..tion. Joint design. .h.11 be elected
in .ccordan.e with the fabri.atlon document
which invoke. this .tandard . The iflentification of the joint design, is as f.3110wB:
(Al
structural, machinery
1 through 32)
and pressure vesnel joint nun!herin~ qsten
(fiquree
The mtr.ct”ral, machinery and pressure ve. sel joint ntieri. g system i. composed of Co.r
character group. . By rne.nm of the four group., a “niq”e identification i. c.usign.d to each
joint design.
As an ●xmmple:
B2v.1
[
First character(s)
letter (s1 designates type of joint:
B - BUtt joint
C E LT P -
y-l-l-
COrnez joint
EdTe j.ai”t
LaP joint
Tee joint
Paxtinl g,cnetraticn
Ill
1111
Second character
w
I
I
!
I
,-
(ritier 1 de.ignat.. number of id..
welded%
welded one s’de
2 - Welded tath sides
Third character
[letter) designate.
configuration
joint,
S - square Troov.
v - navel or v yrmve
u - u 12r00ve
J - J qrcave
Period wed
L
(B)
for separation
Fourth character (r,
umber) is assiqned in seq. ence, 1, 2, 3, ● t=. ,
fo Wver dlstinctiye joint differences much as bevel angle, root
0PcNn9, with b.ck. ng, witnc..t backl.ng, et. .
Piping system joint mxebering
system
(fLqures 33 through 70)
Joi”ta associated with piping porticms of fluid my.tatas are desiqnat=d ‘P-, follcned
by a ..mher. such as F-6. Jolckn ALI;.ci.t.d siti pr..su.a V.S.CI>4 of fluid .psb+as *z.
designated ‘V-, followed by a number, such m v-6.
iii
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,<1
L-STD-2.?D
22 !’ldy1979
CONTENTE
PIJyJ
Paragraph
1.
1.1
2.
2.1
2.2
3.
4.
SCOPE . . . . . . . . . . . . . . . . .
Scope
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,
.
REFERE?4CED DOCUMENTS.
.
1,,ue8 of documents. . .
Other publications . . .
GENERAL Ri?QU1REMENTS . .
J01f7TDESICN SSLECC1f3N.
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. . . . . . . . .
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::::::::::
1
3
1
1
1
1
3
F1CURES
Figure
1.
2.
3.
4.
5.
6.
7.
8.
d:
11.
1?,
13.
14.
15.
16.
27.
18.
19.
20.
21.
22.
23.
24.
25.
26.
~;:!8.
J,.
30.
31.
32.
33.
34.
35,
lti.
37.
Pcznmnontb r.ckingn trap
. . . . . . . . . . . . . . . . .
Butt joint. , square, OIS .1, 82S .1, 81S .2. . . . . . . . .
Butt joints, welded on backing, BIV.1, BIV.2, BIV.3,
BIV.5, BIv .6, BIv.7. . . . . . . . . . . . .
Butt joints, single-v and single-bevel, B3v.1, .B~[SIt.~.:
Butt ioints, double-v and dminle-5.zv.d. !a~.3. n,(.$u . .———.—, .-- ...
B2J. i, B2J.2. .;.....
.“.. : . .”;”......
.
Butt jointn, double-u and double-J, B2U.4 , F12U.5, 312j.j.
D2J. 4........
. . . . . . . . . . . .. ;...-.
Cnrnor joints, open squmre, C15 .1, c2s .1. . . . . . . . .
Corner oi”ta, outside sLngle-v, clv .1, c-V.L .
cO~er
]Oints, Ou~ide
siI@e-beval,
cIv.2, clv.j ~ :::
Corner joints, fillet-reinforced, owside
Single -beveI ,
C2V.2, C2V. 3......
. . . . . . . . . . . . . .
C.ornf,
r joi .1:+, :!.1
l,el;rFi,..
~orr;
*J, 1..
. {cl.H I,cj?<,..?,
e,l,,
, ,“ “
CIV.4, C2V.4 . . . .
. . . . . . . . . . . . . .
Cornex joints, fillet Leid&~
outside square, CIS.2,
C2S .2. . . . . . . . . . . . . . . . .
Corner joints , fillet-reinforced, double ~b&~l: c2v.
‘ “ i,. “
C2V.6 . . . . . . . . . . .
corner joint., siwI1e-u, cIu:l; ;2G.i : : : : : : : : : :
Corner joints, welded one side, out~ide singled,
cIJ.~,
CIJ.2, C1J.3, C13.4 . . . . . . . . . . . . . . . . . . .
corner joints, fillet-reinforced, welded both sides,
outmide rri”gle-J, C2J.1, C2J.2, c2J.3, c2J.4
Corner joints, welded one side , single-bevel , ~1~. ~, “ ‘ “
CIV.6, cIv.7, CIV .8, cIv .9, C1V.1O, CIV. L1, CIV.12
Corner joints, welded one side and both sides, inaid~ “ “
91.EIIc-J, ZIJ .5, c2.7.5 .
Corner joint, fillet -r.ainf~r~e~,“d~”~l~-~, “C2J
“ “
‘ : : : :
,6,
Tee joint, partial penetration, PTIs.1. . . . . . . . . .
Tee joints, partial penetration, PT2S.1, P22S .2, F12S.3 .
Tee joints, (high efficiency] fillet-reinforced, do&lebevel, partial penetration, PT2J. 1, PT2V.1 . . .
Tee joint, fillek-reinforced. doubl,a-bevel, pa=tiai - “ “
penetration, PT2J.2, 9T2v.2. . . . . . . . . . .
Tee joint, fillet-reinf.arced, single-bevel, TIV. 3, “Tiv:1:
Tee joint, fillet-reinforced, T2V.2, TIV. 1, TIV.2
Z*. jdii.t, Lili*c-s*i,iiorz*d. *iliql.
-S. IIJ .1, T2J:l.~ : :
Tee jO1nt, flllot-reinforced, do”hl,?-J, T2J.2
Lap joint, doubl. -fillet -aclded, L2S.1. . . . I : : : : :
Lap joint,, LIV.1, LIS.1, LIS.2, LIv.2
. . . . . . . . .
Edge joints, .51s.1, Elv.1, Elu.1, EIu.2 . . . .
Butt _ldi”g
plates of unequal thickness. . . . : : : : :
Butt jOint, quare, P-1
. . . . . . . . . . . . .
Butt joint, v-groove, P-2. . . . . . . . . . . , . : : : :
Butt joint, welded on permanent backing ri.q, V-groove.
P-3 . . . . . . . . . . .
. . . . . . . .
Butt joint. welded on paru,ane”t, integral bac~i~u”r~n~, “ “
V-grcOve, P-4......
. . . . . . . . . . . . .+.
.
Butt joint, weld.sd on mrmv,ible backing ring, \,-groove,
r->
.,......
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
iv
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4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
21
20
29
36
31
;;
34
35
36
37
38
39
40
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MI I.-STD-22D
25 nay 1979
!s9s
I’iyure 38.
3!I
40.
41.
42.
43.
44.
45.
46.
47.
40.
49.
50.
51.
52.
53.
54.
55.
5G.
57.
5s.
59.
60.
61.
62.
63.
64.
55,
66.
67.
68.
65.
70.
Butt joint, welded cm pemnent
backing ring, IJ-4J.00vc!,
P-6 . . . . . . . . . . . . . . . . . . . . . . . . . .
HIItt joint, wel.d.d on rmnc.v.hle hack Lnn ring , u-qrcmv?,
P-7 . . . . . . . . . . . . . . . . . . . . . . . . . .
Outt joint, welded on flare-f tyF-s backing rLng,
V-groOve, P-8.....
. . . . . . . . . . . . . . . .
Outt joint, welded both sides, square, P-9. . . . . . .
Sutt joint, velctad both sidee, v-groove, P-10 . . . . .
Butt joint, welded boeh aide., double V-groc.ve, P-n.
.
BUtt joint, automatic welded one side, V-groove, P-12 .
Fillet welded, slip-on coupling, P-13 . , . . . . . . .
Socket, fillet welded, P-14 . . . . . . . . . . . . . .
Socket fbv’qe, fillet -we Ld=d, P-15. . . . . . . . . . .
Weided sliP-on flange, fillc?k-reinforced, ningle-bevul.
P-16 . . . . . . . . . . . . . . . . . . . . . . . . .
Structural sleeve for ninino penetration, fillet welded,
P-17 . . . . . . . . . : .-.......:..
. . . . .
Swuble-fil l=t-welded mlip-ozi flmge, P-42 . . . . . . .
Branch omnection,
internal fillet-welded, P-60 , . . .
Branch carumctio”, =Xter”al fillet-velded, P-61 . . . .
Branch Connection, w=lded o“ o“. side, external fill. treinforced, Bi”gle-b.svel, P-62 . . . . . . . . . . . .
Branch connection, welded both aides, external filletre.
informed, mingle-bevel, P-6? . . .
. . . . . . . .
Branch connection, welded on re.mvahl e h.ck i.ng rinn,
ox fernal iillet-reinforced, Blngle-bevel, P-64 . . . .
Dranch connection, welded on zetmvable backing ring,
infernal fillet-reinforced single-bevel, P-66. . . . .
I.teqral Ly reinforced branch connection, welded 0. one
CIide, ningle-bevel, P-67 . . . . . . . . . . . . . . .
Integrally reinforced fitting, branch connection, welded
o“ one side or both sidem, single-bevel, P-68. . . . .
Branch connection Wiih pilot, fillet-reinforced, nimllebevel, P-70 . . . . . .. . . . . . . . . . . . . . . . .
Branch connection with plug, fillet-reinf orcnd, ❑inglebevel, P-71 . . . . . . . . . . . . . . . . . . . . . .
13ranch correction, without pilot, fillet -rol”for=ed,
slmle-tQval,
P-72.
. . . . . . . . . . . . . . . . .
Conn&abl.
Lniert butt ,oinkm, v-grow.
and U-groove,
P-732hrough
P-77....
. . . . . . . . . . . . . . .
Backing rir.g.sfar welded pipe jointi. . . . . . . . . .
Snot connections, V-4, V-5 and v-6. . . . . . . . . . .
NOzzl=j OintB, V-7 and V-0 . . . . . . . . . . . . . . .
Nozzle joints, V-9, v-11 and V-12 .
. . . . . . . .
rlange~ds,
V-14 and v-15 . . . . . . . . . . . . . . .
Root Connection, V-21 through v-26. . . . . . . . . . .
Outlet Ccmnection, fillet-reinforced oi”gle-J, v-27 . .
Structural tank nozzle co pipe, fillet welded, v-28 . .
“/”i
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41
42
43
44
45
46
47
4s
49
50
51
52
53
54
55
56
57
56
59
60
61
62
63
64
65
67
69
70
71
72
73
’74
75
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MIL-STD-22D
25 May’ )919
1.
SCOPE!
Thim standard covern welded joint demiqns for manual, semi-automatic, and
1.1 g.
automatic arc and gas welding proce,n.es for .me on metal. and weldments, am applicable., whmn
invoked by a fabrication docwnent such as NAVS2A O9OO-LP-OOO-1OOO or MI L-STD-27.9. The welded
joint dosignm ehown heroin represent ntandarcl joint deaigrm used 1. welded fabrication and
are not intended to b. all inclusive. !40dificntions to theme welded joint design,, otier
than them parmitted by this st.mdard, may be used subject to the spproval of the m.thorizd
agent (ae.
e 3.21.
2.
iI.2F2RENCEDrmcusfmTs
2.1 I-sues of documn”ts . The following documents , of the is... in eff..t on date of
invitation [or bid m or request for proposal, form a part of this standard to the extent
specified herein.
SPEC1FICATION
MILITARY
MIL-I-23413
- inserts, Weldinq, coiled Filler ?Iaterial, Solid IU”gs.
STANDARD
MILITARY
MI L-STIJ-278 - Fabrication welding and Inmpectio.; and Castiq
lns~ti.m
and
RePIir for Machinery, Piping and Premsure vemmels Cor ships of
the United Stat=. Navy.
MIL-STD-162B - Fillet Weld Size, Strength, and Efficiency Lmtermination.
PuBL1CATIONS
NAVAL YM SYSTEMS COMMAND (NAVSSA)
O9OO-LP-OOO-1OOO - Fabxi=ation, Welding, and lnspeGtion of Ship ff.llm.
O9OO-IP-OO6-9O1O - Pabrieaticm, Welding, and lnspectien of flY-80
Submarine Hulls.
llQOO-l.
P-014-5013 - Fabzicati.an, Welding, and Inspection of noncombatant
Ship 21u11s.
0900 -LP-003-8000 - Surface Inspection, Acceptance Stnndarda for Metal-.
[Copies . f mpeci fications, atandardm, dr.winqa, and publications required by contractors
in connection with .spdcific acquisition functions slw.ld be obtained frrnn the contracting
activity or .B directed by the mnt.racti”q officer. )
2.2 Othex publimtio”s . The following dc.cuu.enzsform a pam of this mfandard w tin
extent specxfxed herein.
Unless otherwine indicated, the immue i“ effect cm date of i.vitxticm
for bids or req”emt for proposal shall apply.
w2RIc.w
WEmING
SOCIETY (Atis)
A2. O - St.midazd Welding Symbols.
A3.0 - De finitirms-welding and Cutting.
(Application for copies #hould be c.ddremmed to the Mca=iaan Welding 60CiE~,
west 7th Str=e$. ?liard, FL
33125. )
(Te.sl!nlea
1 society and technic~l asseciat ten spcctficatiorm &.i5 s-a:dards -C
availabla for re fe=ence fran librarie. . They a,. al- dintrib”ted anm”g technical
and using Federal agenciem. )
3.
GENEwL
2501 Northgenerally
~qas
REQU1 REM2W3’S
3.1 De fi”itiom of welding
AWS A3 .0, res~ctively.
symbols a“d terms uned herein -hall conform to AWS A2.O and
3.2 For the purpose. of thin standard, the authorized agent i. a Covornu.nnt representaThey are as
tive specifically authorized to approve equipment, material, or procedures.
f.31lows :
(a)
(b)
For Government
conmander.
For commercial
Shipbuilding,
.hipyards:
The d=leqc.t=d representative
shipyards : The delegated
Conversion and R.s.pir.
representative
of the Shipyard
of the supervisor
1
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MI L-STD-22D
25 !4ay 1979
NAUSEA .
The delegated
(.1
[d)
gr-ve
ing.
representative
of ather caqnizant Government
agencies.
3.3 Joints .hll be so located, to the maximum extent possible, that the entire weld
i, Vieibl= fOr the welder md that no ob. tru.tiona impair the acces.lbility for weld-
3.4 on full penetration joints welded from both sides, the root OE the first weld
shall b. back-gouged, chipped, or ground to sound metal p.io. to weldinq the second aide,
hovevex, joints may be welded without such .le.nin.g when quolified processes, o. technique.
(for exaqle
twin-arc, subnmrged ... . etc. ) are emP1oyed.
3. S
11.sinfo.ceWnt of w.lda shall be e..speci fied in NAVSEA 090 C-LP-003-8000.
3.6 Except as npecified in 3.7, size of reinforcing fillet, .s. cm structural joints,
shall be 1/4 T (wber. T is the thickness of the thinner member) but in no case less than
l/B inch, or greater than 3/0 L“ch.
3.7 For partial penutr. tion tee joints: thn following .zit.ci. Ann
b. .s.-3to datermin. the land dime”.ion, grcov. depth ancl reinforcing fillet nize required for the desir&
joint efficiency based 0“ the longit.dinel hear ~trenqth of the weld metal.
Zwhen calculated
~
TB-2B
value of ‘D- i. “ot qrenter than 0.107 inch.
cxccpt that 0 lese than 1/4 inch shall not he uned.
B-&
Whnn co lculated value of “D” is greater than 0.707 inch.
~ -
‘.~
S - 0 {20 next larger 1/16 inch) except chat reinforcing
less than 1/4 inch nor greater than 1/2 inch.
fillet size nha.ld be not
D . effective vidth o= 2},.?
weld in sheer
e - required joint efficiency
TL - thick.es8 of the .eaker member
fTB or ‘f)
R - ultimate tensile strength of the weaker Lmse metal
R1 - shear ntrength of the weld metal
z = land dincsnsion [to the nearest 1/16 inch)
‘rn - thickness of web member
B - base log or depth of bevel
S - .ize of rain foxcing fillet
T - thickness of passing member
3.0 For joints with ‘v- or .v. bevels, the centerline of the includeO angle may be
mhi fted frmn the position shc+n on the joint designs herein, as 5allows :
hc luded b.v. 1 angle
Degrees
.mzimurn bevel .“gle shift
~7-..
+5
no
720
Lems than 30
30 up to 60
60 and areat.ar
2
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M1l.-STD-22D
:S >,ay 1979
I
Devel angle shifts are permitted,
m.aintoined.
provided the .peci fied minimum total included anqle is
3.9 For nnterial 1-1/2 inch., thick and over, the joint bevel anglt?s specified by this
standard need only be maintained for a minimum thickm. s of 5/8 inch to provide accessibility
for we] ding the r-et, nf ter which thG included w;,
gle may be rati.,xd to ; o degrees nmnimur,
for the remainder of the material thicknes~.
I
mly
3.10 The maximum allowable roo% opening of backing strap or ri”q type joints, where
the minimum dime”si.m 16 specified, shall be 1/4 inch above the specified minimum.
3.11 Fillet weld sizes for structural
MIL-sTD-1628.
joints shall be determined
in accordance with
3.12 Fillet weld size, for piping system joint, are based on the nominal pipe wall
thickness [T], md are indicated on the appl icable joint design. .
3.13 The minimum throat for fillet joints with e.q”al legs shall “ot be less than 0.7
timem the specified slxe. The miniitmm!throat for finets with uneqaal legs shall not be
less than 0.7 timas tho epecified short log.
4.
JOIN’T DES lQi S.ELECX1ON
4.1 Joint design shall be selected in accordance with the applicable
ment (e.g., fHL-STn-278, NAVSEA O9OO-LP-OOO-1OOO, NAVSEA O9OO-LP-OO6-9O1O,
014-5010, etc. ) .
Custodians ,
Navy - S11
At-my - kin
Air Force - 1;
Review activities:
Navy - YD
Arm2’ - ‘ER, CR
Uner activi tie. :
M.lvy - MC, 0s
fabricaticm dc.cuNAIW,EA 0900-LP-
Preparing act~.vity:
Navy - S11
(Project THJM-00821
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UIL-STD-22D
25 may 1!79
f- JOIN1
I
I
l----w~
l-:---+’
-%77’
PERIIAMEMT
BACKINGSTRAP
Noms
:
1.
2.
3.
4.
S - 1/2T, but in no case less than 1/8 inch or greater then 1/4 inch.
The welds nay be on either edge of the mtrap or within the weld qroowe.
Intermittent fillet welds cm tack weld. rr.sybe employed unlearn othc.rwime
.pecified.
When shapes are used in lieu of backing ntrap, all above dimension
and
note. shall apply.
Butt joints i. permamnt
backing ntraps shall be welded, but need not
comply’ with NDT requirement. applicable to the welded joint itmelf.
rlGurlE 1.
Permanent backing .t.rap.
4
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. . .. .. .
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MII.ST’D-221J
25 May 1979
82s t
I
#fLDEODNE SIDE
WELDED BOTH S10[S
81S.2
*
—
SFl+16,I
WELDEDON 8ACKIIIG
SH 1479
EEEa
NOTL :
Joints welded from one Sidn without a backing , shall not he u.ed when
root of weld is .ubject to Lxmiing tension .t.reas equivalent to onehalf the yield ,tr.mqth of the base metal or greater.
5
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MIL-sTn-72D
25 :4ay 1979
Blv.1
BIV.2
BIV.3
L+,
V.5
E!,I.
C
BIV,7
p-=.x,/~
QE!=?%-’
1-
~+
SIIIOLEBLVFL
sill
/.988
Awl:
Joint
number ,
BIV. L
BIV.2
81V.3
BIV.5
BIV.6
BIV.7
FIGURE 3.
x
(degrees]
45
35
20
45
25
35
Dim r
min
inch ,
3/16
1/4
3/0
1/4
3/a
3/8
Butt joints, welded on backing
DSm T
inchem
unlimitti
welding
pami tion
Al 1
All
Flat, vert, over
Al 1
Flat, vert, over
Al 1
BIV.1, BIV.2, BIV.3, BIV.3, BIv.6, BIv.7.
6
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MI L-STD-22D
25 May 1979
B2HI I
,JS2i2ti
SINGLE-V
B21sIv2
,.”,-<i?i.
S IRCLE-BEVEL
SRII,R7B
Flairs 4.
Butt joints, single-v arid oingle-bev.sl, B2v.1, 02 (S)V.2.
7
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nlL-slw-22D
25 May 1979
B2v.3
,.%%%*
20UBLE-V
B2{SNJ4.
,.%1
Um
FIGURE 5.
CQUBLE-BEYE1
Butt jointo, double-v and double-bevel,
B2V.3, BZ(S)V.4.
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MrL-sTo-22L2
25 Hay 1979
mu I
62U
2
B2U. 3
SINOLE-U
B2J, I
B2J Z
,d
o-1o2J16--/-
1-
,/(6.10,/,6.
SINGLE-J
F1GuR2 6.
Butt joints, mingle-u and mingle-l,
2J.1, 02S . .
B2u .1, B2u .2, B3u .3,
9
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I
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MIL-STD-22D
25 Hay 1979
B2u. U
B2U.5
1
,/,-1“,,.
,d
6------------
,/,8.TOS/,S.
0 TO 8616.
DOUBLE-U
-..
.,
B2J ~
B2.L.Q
\
D
,-(
‘IL
111.n .In
1
.SlKmx4
.;,
,,
,.
----
0 10>/lc.CQUBLE-J
a
LA-.--l
m UIIL
!/16.
m 3/16.
Joint
number
&
B2u.4
B2u.5
w
F1G12R2 7.
Butt jointn, double-u and double-J, B2u.4, B2u.5, B2J .3, 12zJ.4.
10
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MI L-STD-22D
25 my
1979
cl!
I !;[,““,,;
WELDED ONE SIDE
C2S. I
/-f’i-
WLLDED BOTH SID-ES
SWK125A
NOTE :
Joints welded from one side shall not be treed when root of weld is subject
to bending tension stress equivalent to one-half the yield strenqth of the
baoe metal or greatex.
F1GUR2
0.
Corner joints, open square, CIS.1, C2S.1.
11
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I
MIL-STD-22D
?5 Mq 1979
cl;. I
(31[Roll1
~~
3,1&.MIn
tl-‘>
1-
0
TO ,,8.
,. ,,,
0- ?C :,!6,,
WELDEDONE S1DE
CM.
I
31,b.!41M
,,, “,,
SH1L@
NOTE :
FILLETRElllFORCfD
Joints welded from one Bide shall not be used when root of weld is ❑ubject
to bending tenmion etresa equivalent to one-helf the yield etrengt.h of
the base metal or greater.
PIGURE 9.
Corner joints, outside 8ingle-V, CIV. 1, C2V .1.
12
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MI L-STD-22D
25 MIIy 1979
CIV.2[W
“m:
45” MI”
‘h——
r
!’--~
WELDED ONE SIOE
Clv, 3 ($1[ K@
,50“,”
/---K.-d
h. !
3{46.“,”
<-
o 10 1/0.
0-
L
,0
1.“An
3116-
WELDEDONE SIOE
NGTE :
J.aintm welded from one eide mhall not be umed when root of weld is subject
to ber.dLng tension stress e~i.alent
to one-half the yield ~trength. of
the b.sBe metal or greater.
FIGURE 10.
Corner joint-, outside
c.in.gle-bavel,cIv .2, cIv .3.
13
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MI L-STD-22D
25 HC.Y 1979
CQY.2
,5.“,,
~b2
.-r
LA
w
1-
“
m ,,,.
,- u,
0. ,03($6.
C2V 3
\
\
.:
-m+
\-
,/,’. “In
.71
I
‘~”
.
I_.,,,,,.
1
L
“ 11
14
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MI L-STD-22D
25 May L979
CIV.
4
[sEE
NOTE).
I-M&x
O“”’”;-
D
T-”
wELDEO
45*
MIN
ONE
SIOE
C2V.4
0-T03fe;eMA
D45”
m
NOTE z
WELDED
/.s60
BOTH
MIN
SIOES
Joint. welded from one side nh.11 not be used Vhen roat of weld in subject
to bending te.mi.n ❑ tr.m equivalent to one-half the yi.ld..tr.mqth of
the bane metal or greater.
FIG(JX3 12.
corner joints, fillet-reinforced,
.Ingl.-bevei, cl v.4, c2v.4.
in.ide
15
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1
HIL-STD-22D
25 May 1979
CIS.2
ISE[nolil
?ii5&i
X___,,,,,.
o
‘--
SIRGL[
---.
,
De
,. ~ ,
/,
T’
,,!
“,,
‘,
0“ 108/8.
951LuB
ZlOTEt
Joints Wmlded Crw one eide ehall not be used when rwt Or “e~~ iS ~bje=t
w boudiny kamsac.n m k.enm equivalent to one-half tbs yield at,rength of
the base metal or greater.
?1WR2
13.
corner jni. te, fillet welded, outside square, CIS.2, c2S.2.
16
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.,
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MI L-STD-22D
25 MaY 1979
c2v,5
““T*;NT”3%
u
b
c2v.6
1/4” MIN
..
D
j@
T
“, ~
,/, ,,
O“ TO 3/16
65*
MIN
sHwE?RA
FIcu17z 14.
Corner
joint., fillet-reinforced,
double-bevel,
C2V.5, c2v.6.
11
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MIL-STD-22D
25 Hny 1979
y..,.>
MIN
WELDED ONE SIDE
C2U. I
J/l*.Nln
3/4”
MIN
FILLET REIIIFORCED
6K14S90
lWTE:
Joints welded f.00 one .ide shall nol! b. ...06 when roct 2T we] 3 i< S.kij%.ct
to bending tension 6-R.. eqcivaler.t to one-half of tie yield strength 01
?JIebase uatal or greater.
rrm=
15.
corner joints, sinqie-ti, CA L.1, C2J.1.
lB
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31 L-STII-22D
2$ w.y 197q
pja
t--”+
WELDED OIIES!01
.
..-.-—.
TI
““:::M1n
‘:’o 10*116.
wELDEDOUE SIDE
,7<;i-T-7°
‘-
‘--”
~
NOTE :
Joints welded Erom one side shall not be used when root of weld is subject
to bendiw+ tenmion ntres B equivalent
the base mcL91 or greater.
to one-half the yield strength Of
19
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1
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MI L-STD-22D
25 nay L979
(ml, I
C2J.2
--R-T
17
‘
_* .-?
---- l/~R
,
MIN
$r
-:
:’
1
,$
$
1+
I
1
/“
-1
0
-p--
—i/16°
I
I
7U 3/16’
TO 3/16”
r’
L’J
C2J,
FILLET
REINFORCED
3
C2J.4
W
Joint number
FIGURE 17.
FILLET
I
M.91e
x ml”
Dim T
(defjrmos) Ii”ch)
I
REINFORCED
welding
position
I
corner joints, fillet-reinforced, welded
both sides, ovtaid e Single-J, C2.7.1,
C2J .,
-..
20
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HIL-STD-22D
25 14ay 1979
CIV.5
CIV. 8
CIV.6
Clv.
9
CIV.7
Clv.
10
@“”M
CUTSIDE-WELDED
Clv.
II
Clv.
12
y
We’’MlNfi
DN
RACXING
l-y
ri
.-
J–SEC
‘lG,
I
$“’-;;$-=rT
x
F
INSIDE-WELDED
FILLET
‘ml .&wh
Angle
Joint numb?
I
x
ml n
(degr.es)
ON BACXING
REINFORCED
Dim 1
(i%h)
W.ldimg
position
Clvisi:lv. 8,
4s
i/4
All
CIVi6i;lV .9,
35
3/#
Au
C1V.7, C1V.1O
15
3/0
Dim T
(inch)
unl &i ted
Flat ,vert
and ovmr
my
be ~
-d joint welded m) botb si~w . If joint is not
welded on both .ide., vim joint shall not b umed when tha rODt of t-be
weld i. ❑ubjec% to LXmdi”.q tansia” stremm equivalent to one-half tbe
yield otrength of the ba.e natal or grater.
Zl=:
Backing
PIGURE
18.
e, ❑ingle-bevel,
cIv .5, CIV.6, cIv.1.
21
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NIL- STD-22D
15 May 1979
CIJ.5
(SEE
NOTd
c’m3“7
r
‘o3“6”
r’”6°
l/2”R MIN
WELDED
ONE
SIDE
C2J.5
O TO 3/16”7~
~
1/16” TO 3/16”
1/’2
“R MI N-
WELDED
%031
M2T2 :
❑OTH
SIDES
Joints wld.d frcas one eide shall not be used when root of weld is subject
to bending tnnalon ntresn equivalent to one-half the yield mtrength of
the bamm metal or greater.
F1WK6
19.
woldod ona side and both sLd@s L
co.r..r ‘joints,
insiae ni. qle-J, CIJ .5, CZJ.5.
12
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M12-STD-22D
25 tiy 1979
C2J.6
35”
MIN
I +“
MIN
---r
,.4
1/2” R
*;
~
‘:*
,,:
,~*\:
u
1/16”7U 3/16”
‘-
DOUBLE-J
CORNER
FILLET
REINFORCE
JOINT
2HW31A
?lWRZ
20.
Carnar joint, fillat-reinforced,
double-J, cZJ. 6.
23
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111
L-STD-22D
25 nay L919
PT IS- I
B.2ror pipe
Y= O.&”
(NOTE
‘1,
1)
-z._
~
“J
P1.ala
L
NOTE :
Where Y is greater than 1/16 inch as a nominal condition, S ghall be
imcraamed by an amount equal to the excess of the opening above 1/16 inch.
FIGURE 21,
Tee joint, partial penetration,
PTIS. 1.
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M1l.-STD-22D
25 nay 1979
PT2S.
I
&
,LD,
~
(SEE
NOTE.
I
,#+.;OT03;;,;.
)
DO12ELE- FILLE T-WELOEO
PT2S2
(SEE NOTES I TNRu6)
1
~+n
_-
L-
1
L.
,,
.J
CHAIN
k +1
v.0T03/16°
(
l=+
1
c-+
IN TCRM!7 rENT’-wELDfIJ
“2s”3
‘I!!i
=1
STAGGERED
.4*
s\v
cs-
INTERMITTENT-WELDED
WTES ,
1 be ~.cronsrd bY
1.
Whare Y ia greater than 1/16 inch em a nominal condition, S sII.11
an .%rmunt equal to the excess of the opening above 1,/16inch.
2.
inc>.cs.
L minimum - 8 tim=a S, but in no -se leEn than 1-1/2
3.
L maximum - 24 tiams thinner member, b“t in no case mere :x>n b ,nche,
4.
c maximum - 48 tines ?,hi,
nn-r IWmll?r, .h,,
t. Lr.r.c Cls!l-Crc $!I..,17 ,.C?C.S
& t:., .
5.
The npo.eific lengt)a of the fiilet nhll b= the length o? s.. ..; . AC :..t;
crater
and tapered ends shall not be i.cl”ded when mmas::: .$ d,mrn..i:, L.
6.
Fillet size (s) mhall be det=rm. ined in accordance with the re.1.;kremer.:$
0< :he
applicable
f~rication
doctnnent.
P1WR21 22.
25
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IllL-sTD-22D
25 may 197?
PT2J.
I
fzae/--!%
dLkk?.f35”M
b0
O TO
PT2V.
3/16”
I
,IQ< ‘
TB
—.......——
B
o
TO 3 f 16-
B
B
z
--
,: ‘“x.
.’;’;.,%
—--
-—
32” MIN.
--
.
-ISL
~J
5W033A
NOTIM :
1.
Hhen the calculated land dimens L.anis riot rpeuter than 3/16 i“.h, a E.L1 penet.ration weld ahml 1 be uned.
2.
Alternate ,mathodn of determhing
a depth of bevel ‘B- and corresponding size of
X*LntGXCMY
Eill. t ‘S” may be USOLI p..av1&ad ea.h such ~GLnL is ir.~ivi~iia>ly
sketched or checked to assure that the required effective width of weld ‘D- will
However, in no case shall the reinforcing fillet be smaller than
be obtained,
1/2T 0. 3/0 inch whichever is 1.2. B.
P1GUIC3 2!3. Tee joint. , (hiqh efficiency) fillet-reinforced,
120uble-bevel, mrtial penetration, PT2J.1, PTti .1.
16
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MI L-STD-22D
25 ?.ay 1979
PT2J.2
C=n
l+ T MIN.
b
/
\
7
0“ TO
1
-----
3/16-
q
,
IL?.”R MIN.
PT2V.2
T6
,;
? ~,ti,._
z
-.
...
J.T
L
‘rnti
b
,.
,\
//
t
\
0“ TO 3/16”
,,J
s,
‘
fo..
~,@?f,
--
—.-
+.
S2” MIN.
---——
dsL
sH
11187
NOTES :
1.
For use when ‘-z-si. 1/2 inch or gr’eater.
“s. s).?,?,
1,he -,/2 07 ?/? inc...
...!!1
,h,vc.r :? I.C?G
7
F1GUR2 24.
Tee joint, fillet-reinforced, double-bevel,
penetration, PT2J. 2, PT2V. 2.
partial
27
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MIL-ST D-22D
25 May 1919
TIV.3
(SEE
NOTE
)
,flbTo:;~qQF
WELDEO
T2v.
I
.,1; ,.,LE.
NOTE z
ONE SIDE
WELDED
90TH
SIDES
JOI.ta welded from one side -hall not be used when root of weld i. eubject to
bending tension Strem equivalent to one-half the yield strenqth .JE the
base metal or greater.
FIGURE 25.
T~oint,
fillet-reinforced,
Sinql e-bevel, TIv.3, T2v .1.
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MI L-STD-22D
25 )lay 1979
.::p~L-#
T2V.2
0“‘0 “4’’3JLJ
------
‘..
.-IsL
4sL
DOUBLE-BEVEL
TIV.
TIV.
2
&
0“ TO 1/S”
T
I
(SEE
W3TE
Y*
)
5SF ~lG I
3/0”
,.
Ml
Y
,.&T
‘.
x
.
-----
-lsl.-
[
SL11L95B
SINGLE
I
- BEVEL
, EE!l%Ea
NOTE
Backing may be cetmved and joint welded o. both aides.
If joint is not
welded from Lmth siden, the joint mhall not be used when the root of the
weld is subject to bending tension stress equivalent to one-half the
Q. greater,
yield strength of the base metal
FIGURE
26.
Tee joint, fillet-reinforced,
T2V.2, TIV.1, TIV.2.
29
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311.-S
TD-22D
25 May 1979
lIJ. I
(sEE
N3TE)
l/2”R
MIN““J
WELDED
T2J.
ONE
SIOE
I
3/4” MIN—
l’\
--l+
/
I
l/2”
4
R MIN J
WELOEO
NOTE :
BOTH
SIOES
Joints welded from one oide shall not be uned when root of weld ie BUbject
to bending tension stresB equivalent to one-half the yield strength of
the base metal or greater.
PTGURE 27.
Tee ioint, fillet-reinforced,
elrIqlr.-J,TIJ .1, T2J.1.
30
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MIL-STD-22D
25 t.lay1979
12J.
2
o
izz?l
““’::”,,.l[ti
TO 3/16”
-----
1/2
~lN R—
--
43L
DOUBLE -J TEE JOINT,
FILLET
REINFORCED
SI15Q324
FIGURE 28.
Tee joint, fillet-reinforced,
double+,
T2J .2.
31
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HIL-sTD-22D
25 nay 1979
NOTE :
Size of fillet shall be as governed by design requirmnents.
FIGURE 29.
L.P joint, double-fillet-welded,
L2S.1
32
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.
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MIL-STD-22D
25 nay 1979
WHEN T ISUP THROUGH 1/2”
01/i,.
2T IAIN
WHEN T ,S OVER 1/2”DIA. BT +1/2-MIN
LIV. !
PLU6-fiLDED
o 10 ,/,6.
SLO17E0 —
FI LLET-WELDEC
t
+-,0?
~,p
,:,,
.--/
BEVELEO SLOT-fiUIEO
ml 6920
NOTE :
when T is less than l/2 inch, slot mhdl
angle .
FIGUSS 30.
UP
be bmveled to a 45-deqree i.cludad
jOLntO, LIV.1, LIS.2, LIV.2.
33
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1
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MIL-STD-22D
25 nay 1979
EIS, I
(H[ ,01[”)
0’::-’“’’’””
WARE-GROOVED
Elv.
,,,”
fi-s-
Mt.-
I .
*
0“ 10 tll6-
SIIIOLE-Y
EIu. I
EI(I.2
1
X1 Ml[ )
~
T
~-~u.
N:
.
.,,,
.
3119. ❑ln
11
w
SIIIOLE-U
NGTE :
0. To 1/16.
This joint shall not be used when root of weld is subject to bending tension.
FIGURE 31.
Edge joints, EIS.1, EIv .1, EIu.1, EIu.2.
34
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MII.STD-22D
25 .Xay 1979
WELDED
TO
S!4152$A
NOTE:
Limits for differences
HEAD ATTACHMENT
LAMINATEO
SMELL
in plate thieknems wifhc.ut beveling,
Thin Dlate thickness
UP to l/2
inch
over 1/2 to 1 inches
over 1 inch
Thickness difference
1/B inch
3/16 inch
1/4 inch
(=X)
,Trm tranair ion mecween merrber~ of xnequal thickness,
9raat9r than those snow. above, shall
require chamfering of the thicker member down to the thickness of the thinner metier.
For
submarines, the taper shall be 4:1 minimum.
For surface -hip., the taper mhall be 2:1 rni”iIrium
.
?lCURS. 32.
Butt-we ldin.q plates of unequal thicknrma.
35
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MIL-STD-220
25 Mci 1979
P-
sHc-706
I
m
F1GUR2 33.
Butt joint, ,quare, P-1
36
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MI L-STD-22D
25 nay 1979
P-?
Sm 508B
FIGU%
34.
Butt ioint, v-qrc.eve, P-2.
37
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MI L-STD-22U
25 May 1979
P-3
45”MIN,
\--
J.-l
i
r
@TO 1/16”
‘
y —--”-J
l=-
BACKING RING (AND FIT I ,
TO BE IN ACCORO WfTH
FIG, 63
SHIxln
I ~ (root.apeninq)
Pipe size
3 inch lPS and under
Over 3 inch lPS
FIGURE 35.
3/16 inch min
1/4 inch
min
Butt joint, welded cm permanent backin, rin~,
v-groove, P-3.
38
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!IIL-STD-22D
.75May 1979
P-4
<45””’%
SHALL
THAN
.
‘D
x “ 48,
BE
THE
EOl!#.
TO OR GREATER
MINIMuM
REQUIRED
WALL
THJCKNESS
.
TD
6.
~“~~=.
>~~-:s
\\
)
Tn I /,
;0” MAX.
IIFanrihrl=)
SH IIIEW
FTGWIX
.36,
Butt
ioint weldeti en pcrmancxt,
rm.g, v-groove, P-4 .
istegra 1
>a.ki
39
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31 L-STD-22D
25 nay 1919
P-5
45. MIN
A
0TOly~r~BACK,N6
‘WIT
m
R[N6SHALLBE
REMOVED FLUSH wITH
INSIDE DIAMETER
OF
,,,,)4.
m
506E
Pipe
size
Y (r.wt opening]
3 inch lPS and under
over 3 inch lPS
rlGuFLE 37.
3/16 inch min
1/4 inch min
BUtt jOint, Wlded
V-grew”., P.s .
1
on IfllWV?lblekcking
40
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!41L-STC-22D
25 May 1979
P-6
45” MIN
BACKING RING (AND FIT )
TO BE IN ACCORO WITH
FIG. 63
SH9034A
FIGURE
38.
Butt joint, ~lded
on permanent backin~
rmq, u-groove, P4.
41
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MI L-STD-22D
25 vey 1979
P7
45 °MlN.
3116-R.
MIN.
+Z&
‘
,.;:$s5,,,,4.
3116-t4N+&
\,AcK,NGR,NGANDwLo
SH4LL BE REMOV~
INSIDE OF PIPE.
FLUSH WITH
m---FIGURE 39.
Butt Ioint, =Ided
U-qroc.ve, P-7.
on rcm!ovable backi”q ring,
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,,
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MIL-STD-22D
25 !by 1979
P-a
c~”’”>~
/..-/7
1/16”’
5“?
L
SHALL
~~
m
8H1502B
FIGURE
BACKING RING AND FIT-UP
BE IN ACKIRD WITH FIG.
40.
Butt joint, welaed on flared type backing
V-qrmvn,
P-B.
rinq,
43
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z-1/?
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!41L-STD-22D
25 !6ay 1979
P-9
I I
~T
= 3(16”MAX
‘-iiiiiii
9W 9332
1Ps
FIGURX 41.
inch..
inch-n
2-1/2
3
3-1/2
4
:
6
8
10
12
4
5
6
1:
12
16
20
24
_-J
Butt joint, welded both
~.
sides, square,
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MI L-STD-22D
25 nay 1979
P-lo
c“”’7TL
Oyo
,,,~.
+d’To
118-
‘-l---l
w
50LB
F=%=
2-1/2
3
3-1/2
4
P1wr2c 42.
:
4
5
6
8
10
12
1;
12
::
24
LJ-
6Utt jOint, welded both sides, V.qrcwva, P-10 .
45
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f41L-sTD-22D
25 t4hy 1979
P-11
60° MIN
QL--+
.
i i [
—
F’
..
0 TO 1/16-
1/8” MIN
I
/’
1:
,,,.
O TO l/13”
&
60” MIN
m
-’.&.---..+
1.
SM 5@5a
t+=-t=2-1/2
3
3-1/2
4
5
6
e
10
12
F1CL2R2 43.
4
5
6!
e
10
12
;:
24
Butt joint, welded koth aide., double
V-qrc.eve, P-11.
46
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MIL-STD-22D
25 nay 1979
P-12
FIGURE 44.
Butt joint, aut.anatie weltled one sick.,
V-qrcm. vc.,
P-12.
47
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MI L-STD-22D
25 Mey 1979
P-
13
A
(SECW3’f’3)
Law
r-” “T”
cL&M&&M&j.(cyc,
~mAL)
-.
WI MB
fw-1’Es
:
1.
L min. shall be .s follows,
F1GUS2 45.
1 inch for less than 3/4 3nch lPS, 1-1/2 inch for
OVOX 3/4 inch for 3 inch lPS, 2 inch for over 3 inch
Fillet welded,
slip-on couplinq,
P-13.
48
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nIL-sTD-22D
25 !iay 1979
P-
14
Ez
Fo
3
I 11s9
NOTES :
up to 22 degree bevel IMY be used.
::
Wall thickness [W) and m.ininmw mo’=ket depth (L) shall be in accordance with the
.PPlictile specification for the fLtti rigs.
3.
For re-irm where the waldment and the PiDe rmmt be removed, the existing fitting,
with &?d.ced socket depth, may be mush- under the Polloving conditions i
(a) The pips end gap clearmnce shall be held to 1/16 inch M2ximum.
(b] If the diametrical cl-ram.
b.bean
the pipe and the fitting in
0.025 imh and leaa, the L di?ammion may be reduced by 50 percent
of the specified dimensicm.
(c) If the diametrical clearance is greater than 0.025 inch, but is within
0.065 inch, the L ditmensio” may be reduced by 25 percent of the
B~Ci fled dilMnsiOll.
Tlw provisions of note 3 & not apply if fhe diametrical clearance exceeds 0.065
4.
imsh.
The provi.ions of note 3 are not applicable to my.vtetm classified under %US5A5%-.
5.
For SUBSkF2 .ystem,
fittings with reduced ao.ket depth -hall “ot be .n.d without
❑peci fk approval by NAVSEA.
FIGLMIE 46.
s~ket,
fillet wmlded,
P-14 .
49
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!41L-STD-22D
25 nay 1979
P-IS
A ~
0.0s5”
Max,
C
A
lDIAMETRmL1
FoR CLASS P-1 PIPING
NOTE 3
s%KET
WELD FLANGE
WECR.2
II
..
-.
T,
M
.W701
NOTES ,
UP through 22 degree bevel may be permitted.
::
rlang. thickness and minimum mocket depth (L) ahe.11 be i. accordance with the
applicable EWBcification for the flange.
3.
seal weld requLred when used for salt water and ofher corrosive fl.idm, and base
material ia not ~sistc.nt to crevice corrosion.
r11s32LE47.
socket flange, fillet-welded,
P-15.
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MI L-STD-22D
15 May 1979
P-16
k45-
MIN
NGE
AFTE
WELDIN
O(NOTE
‘ i~065-
CLEARANCE
&&
FLAT
2H?51OB
I
TYPE
1
MAX ,OIAMETRICA.,
HUB
TYPE
NOTES:
1.
Dilransi.ar,
‘D- to boas
2.
oise (IPSI
hrough 2 xnches
2 -1/2 inches through 7 inches
16 inch=.
8 inches through
Final
machined
murfc,~
-hall have a wim.m
follows
:
PipO
PIWRI
49.
Vim ‘D- (inches)
3/1 6
1/4
5/16
C.urface roug?iness 0S 125 PRR
Welded slip-on flarqe, fillet-reinforced,
bwel,
P-16 .
sinqle -
51
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1)
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MI L-STS-22D
25 .Yc.y 1979
P-17
PT2S.
1>
s
STRUCTURE
/
,X1-ym
-r
PIP!NG PENETRATION
WITHOUT
SLEEVE
PIPING J
\
1- IA4X
DIAMETRICAL
BETWEEN NONIN#L
IWO SLEEVE
I.D.
CL EARANCZ
0.0.
PIPE
(NOTE 2)
5)(9?03.
NoTES %
b. .s specified on the applicable s leevO drawing.
The demign of the mlew. -hall
.M?.xirmnn
diametrical clearance shall be as follows:
1/16 inch - for 1/4 inch lPS through 3-1/2 inch lPS
1/8 inch - for 4 inch lPS through B inch IPS
3/16 inch - above 8 inch lPS
Tha
applicable
instillation drawing shall specify whether one or both ends of
3.
the sleeve shall be welded to the pipe.
::
FIGURE 49.
Structural mlmvm
welded, P-17.
Eo. pipinq pene tzakion,
fillet
52
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ML.sTD-2212
25 May 1979
P-42
‘,.-ml
*I.*
ml lx+
NOTES :
1, Thin joint shall mot ba used with butterfly valves, spiral wound gaaket.q, or
flanged jointm in oil nYBte.m.9.
2, T x l-3/4Tlminimmn) [but the ehort log shall “ot h less t.ham 3/16 inch) .
PIGURE 50.
Double-fillet
u.aided @lip-on
flrm~,
P-42 .
53
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141
L-STD-22D
25 Hay 1979
P-w
r
T
(1 TO SS TIIICKNES
JOINT MEMBER)
dL
l/B”CLEARANCE
MAX
OF
THINNEST
(DIAMETRICAL
45. MIN
W511E
F1GUS2 51.
Branch connection,
internal fillet-welded,
P-60.
54
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)
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MIL-STD-22D
25 nay 1979
P-61
r
(T
/
L
1/8
- CLEARANCE
TO BE THICKNESS
JOINT
?4,-)
OF THINNEST
MAX.(DIAMETRICAL
)
r
b
45 “UN
,’
FIQJRE 52.
Branch eonnccti.a., e.tcrnal
fillat-welded,
P-61 .
55
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!41L-STD-22D
25 May 1979
P-62
E
O TO
NOTE
)
1/16”
L
I_
w
-+-
7 .x
o
To
l/16°
& Iii
60” MIN
f4mEs t
S - 1/2T or 3/16 inch, whichever is lEBS. iffier.additional rein fo.ceue.t is
required, ‘S- shell be as spi
fied by desiqn.
F1GUM2 53.
Branch connection, welded m one side,
remforced,
Sinqla-beval, P-62 .
● xternal
flllet-
56
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MI L-sTi-$-22D
25 f4ay 1979
I
P-63
N
O TO 1/8”
w
510
‘“& Iiiiiil
lPS
L =X
N02’2,
S
up to 12
inches
122:Y5=:
I.D.
1-1/2 x I.D.
24 inches
and over
UII1Lmlted
shall
be l/2T or 3/16 irmh whichever is Less, N2iere additi.anal ~inforceby deai~.
ment i. required, ‘S. shall be as specified
?lCUP.E 54.
Branch Ccmnection, welded both .id. a, ext. r..l fillatre~”forced, ❑inqle-bevel, II-63.
57
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MI I.-STO-22D
25 my 1979
P-64
-1 ‘
S
T
45-
2)
MN
\
1/16 “
../1
~Y(NOTE
1)
;1
,(
I
To SUIT
INOTE
t-
—-k
~~
O“ TO
\
b’
11’1
I i‘m
LLZI
~AFTIiR
WELOiNG, 8AcKlNG
RING 5HALL
BE
REMOVCD
FL USH WITH INSIDE DIAMETER
OF
PIPE.
NOTES :
Root Qpeni. gs (Y) for use with backing rings: Pipe SiZCS > inches =, 10SEI, 3/15
1.
inch min. ~ pipe sizcm over 3 inches, 1/4 inch min.
2.
S = 1/2T or 3/16 inch, whichever is less. Where additional
reinforcement IS
required, ‘S- mhall be am specifi.d by design.
FIGURE 55.
BrM.h connection, welded o“ renmvc.ble backinq rinl,
external fillet-reinforced, Sinqle-bevel, P-64 .
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?41L-STD-22D
25 nay 1979
P-66
AFTER WELDING,
BACKING RING SHALL
INSIDE DIAMETER
1
BE
OF PIPE.
“-fff:.---~
sm516E
&
T
k
Y (NOTE
L._
———
&
TOS”lT_+
60” MIN ,,
II
>
—_i
‘(N0TE2)
‘----
----
+-–
-—--’-
NOTES :
L.
koot opnin.+n (Y) fox ume with backing rings : Pipe sizes 3 Inches or less, 3/16
inch min. : pipe ❑ ize,g c.var 3 inches, 1/4 inch min.
2.
6 - l/2T or 3/16 inch, whichever is less. Where additional reinforcement iB
required, ‘S - mhnll be as specified by design.
FIGURE 56.
ri.~,
Branch connection, welded o“ renwvable backing
internal fill et-rexnforcea, ninqle-bevel, P-66.
59
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MI L-ST D-22D
25 may 1979
P-67
I
I
I
A
J
SECTION
A-A
SH 11190
NOTE :
Prensure and temperature combination
of the outlet.
FIGURE 57.
hall
be in accortince with the rating
Integrally reinforced branch .ontmctian,
side, Sinqle-bevel, P-67.
w.lded o. 0..
60
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MI L-STD-22D
25 nay 1979
P-68
SOCKET
BuTT
,fi
WELO
WELO
BRAZING
OUTLET
OUTLET
OUTLET
SECTION
SH
A-A
9704
61
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I
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MI L-ST D-22D
25 flay 1979
F’-7cl
(moli 1)
WJJnk
NOTES :
tit opni.gn
(y) shall conform to the following:
1.
pipe nixes 3 inches or less 8
3/16 inch u,i”imum, PIW sizes over 3 inches, 1/4 inch minirrmn.
2.
For bosses de.ig”ed 8.9intaqrally rei” E.axcedbranch fittings, size of fillet S
or 3/16 inch. whichever is less .
shall be 1/2T
FIGURE 59,
Branch con”ectim
bevel, P-70 .
with pilot, fillet-reinforced,
si”qle -
62
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!!l
L-STD-22D
25 U9y 1979
P-71
/’
w
“,.
.I”!14W
L“--2E,
/“
,-(MTLm)
(
-.
)
061Of PLu310 U:
3/16”
,/’4.
LESS lbF IIAL 001[ FM ,. IPS AND SMALLER
L[ss lMU Flma #ont fon Ovin 8. lPS
NOTES
:
1.
2.
Root openings ,(Y) shall conform to the following,
pipe sixes 3 inches or 1.s.,
3/16 inch minimums pipe sizes over 3 inches , 1/4 inch minimum.
For bommas design.d u integrally reinforced branch fittings, mine of fillet(m)
Bhall be l/2T or 3/16 inch whichever im lees.
FIGUSW 60.
Branch connection with plug, fillet-reinforced,
bevel, P-71 .
63
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.9inqle-
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MI L-STD-22D
25 May 1979
P-12
‘b
(act Roll 2)
(,01[
1)
.’
9M1323B
FIN&
BORE
f6(YrE2
:
1.
Root openings (Y) mhall rnnform to the following:
pipe sizes 3 inches or lesm,
3/16 inch m.inirnum;pipe si=es over 3 inchem, 1/4 inch minimum.
FOr baamem deigned
as integrally reinforced branch fittino. , size of fillet (ml
2.
hall be l/2T O. 3/16 inch whichv.ar ie lens.
3.
Diameter of attachment (D) shall be 3/16 inch lesm the final bore for 1 inch lPS
and Mr.aller branch piper 1/4 inch less than final bore for branch pips over 1
inch lPS.
..
F1mR2
61.
Branch connection, without
bevel, P-72.
pilot, fillet-reinforced,
sinqle-
64
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m
.
(ImI:l
●
c
T.au.
●
11*.
u.+
;
P-7s
,--L,
*I mm mm
Fr7,,,,
K
.C.
D,*%O!** m D,,
●
01MENSICN3 AS P-M)
--ii--c
[SAME NtMINAL
I
I
L,.
MAX
,0,,.
“An
mu
,:onaumabLc inzcrc butt jc.
intn
--.....-.-.-,-....9-------------.
.030-
.0s1-
.0s1.Uax
,031UN
,0s1.❑u
Max
.0s1.
wax
.0s1.
Ma,
,0s1-
a.unwa
B
,
●S
,.
mxNe,
40.
+
and u-groove, P-73 throuqh P-71.
,.,,7.
?.,● ,
40.+ s.
,0.
SEC more3+,
Si5El
Olu
P-76
,,,.,, 1,=”
-s
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r,>.
(36ME NCWIN4L 0MY+SON3 AS P-731
m.- ●. .m.
J_
m—
I P-77
S/m<m ● l/m1.,LL lMCK,CUU
‘(+
t
\
“d+= ~.-D
P-73
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I
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PUL-STD.22D
25 nay 1979
N.stem to figure 62:
1.
2.
3.
4.
5.
6.
7.
8.
Consumable insert dimensions aht!ll be in accordance with KIL-1-23413.
usc of insert rings shall be verified by procedure approval for the specific
application.
For pipe to be welded in the vertical axis position, 0 on the 10V side of the
10int ~2’ be as fO1lOw=, provided the total included anqle is 2 times the angle
9 aPecified in the table:
(a) 30 degrees ~ 3 degrees
for P-73 cuid P-75.
(b) 0 degree.
+ 3 degrees for P-74 and P-76.
Conmmable
inser~- of geometries different from those nhow” herein or in MrL-l 23413 may be used followimg welding procedure approval, by an authorized agent
aa identified in 3.2.
The doptb of Counterbore ‘p,-may be obtained by machi”imj, expmdinq
or forming
and shall be 3/S inch minimum or T mi”inmnn whichever i, greater, except that cm
. lbows , ‘A- shall be limited to a depth which will not reduce the wall thickn.ms
b.1.w
the minimum allowable
.,1...
In no came
shall
‘A- be less than 1,8 inch .
Center of radius shall be Io=ated so that tba plane of the root face will extend
“ot mare
than 0.015 inch from the nondml position show”.
(See insert sketch
for
j.ai”t type P-74 .)
For jointw of nickel-copper (S-42) and nickml-chnnr,iumire.
(s-43) materials
diuensionm .0. may be changed to 1/16 inch + 1/64 inch for joint P-74.
For joints of nickel-copper materia38 di~. mKon ‘9. ray be changed to 47-1/2
degrees ~ 3-1/2 degree. for joint P-73.
66
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MI L-STU-22D
25 nay 1979
Removable
backing
rinq
To
-1-
Permnnant
(0)
Flat
(b) Flared
hocking
rings
tyF4
t YPO
&~~/32
t
FIGU~
63.
Backinq ringn for weldmd pipe joints .
67
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suit
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HII.-STD-22D
25 nay 1979
Not.. to figure 63:
1.
2.
Rings may ba solid or .9plit type. For class P-1 piping, permanent split type
rings, if used, .abdll be welded after fitting and prior to final i.mertion in the
(When LTP1it tyPe r,{“g, are welded, defects that. can be irhantified as being
piPe.
in the backing ring butt weld shall not be cause for rejection. ) For clans P-2
piping, backing ring butts need not be welded.
Backing rings may be furnished with space.. as follows:
(a)
(b)
(c)
{d]
3.
4.
5.
6.
A minimum of 3 spacers -hall be located around the outer ❑urf.scn of tbe
backing ring to nmintai. a minimum root opening.
No portion of ths ring other than the spacers shall project beyond the
outer surface of the backing ring.
Removable spacers shall not requir.a, or remit, in r.moval of material
from f.hebacking ring for a depth of more than one-hal f the thickness
of the ring.
When uned, non-reuavable smcers shall be con.atructed to permit complete
fuei.x of the spacers into the backlnq rinq and the weldirq groove
without causing weld de fem-s . A spacer having a cross-sectional area
greater than 0.125 mquare i“chem and a height of more than .ane-b.alf
(Punb-out type SPC.XS
tiicknean Of the ring shall not bn permitted.
sh.s11 show b2ank dots on radiograph. )
Backing ri”qa may be tack welded inside or outside.
Backing ri”ga shall not have a diametrical clearance of uore than 0.045 inch for
inch lPS
pipe sizes 2 inch IPS and smaller and 0.065 inch for pipe sizes 2-1/2
and larger.
The depth of emmt.arbore may be obtained by machining, .sx~nding, or Eorml”q and
shall, be 1/2 inch lm.inimum)or T [ndnirmn] whichever is larcfer to insure proper
PIP. Lnsid. diameter
in way of joint. Co.nterbore for elbows hall be limited
t. +! depth which wi 11 no? reduce -.11 th Lckness be30. de~l.,gnmir,immm.
PiP= tapC.Xn lass than 4:1 a=e a=cePtak.la provided they meet the requirements of
am=..d
AfW 1 fitti.9B or applicable drawings.
68
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s!1L-ST D-22D
25 May 1979
v-4
I
v-5
k
V –6
s“
0s140
‘FIGURE 64.
RLwt
...-.
-.—connect ion., v-4 , V-5 and v-6 .
69
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I
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!41L-STD-22D
25 nay 1979
v-7
V-8
L
Note z
L dime.a ion shall be such as to permit radiography of the entire weld wi thont
interference ny the nozz b? flange.
FIGUw
65.
Nozzle joints, V-7 nnd V-8 .
70
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M1l,-STD-22D
25 nay 1979
v–9
INSIDE
DIa ME7En
AFTER
WELDING
MACHINING
OR
v–1
0;
IS
THE DIAMETER
BEFORE WELDING,
THE JOINT
SHALL
BE FINISHED
DRILLING
THE
lusloE
WALL
To
BY
DIAMETER
Om.
I
V–12
xl; 5.mA
FIGUSE
66.
Nozzle
joints, v-9, v-11 and v-12,
71
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.,:.
,’<
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!ll L-STD-22D
25 nay
1919
V–14
I----O.S-MAX
STEEL
V-IS
,
‘“(”’’)
=2’s’s7
RING
SURFACE
FIN; SHED
~FILL
v
WITH
AND
WELO
DRILLED
METAL
TO SUIT
INSIOE
CONNECTION
RING
UIPMENT
4
BUILT
UP
FLANGE
PAD
FOR
FERROUS
EOUIPMEN1
,.,. ,,
FIGURE 6T.
Flanqe pads, v-14 and v-15.
72
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MIL-STD-22D
25 )Iay 1979
V-21
v-22
I
,
1
Ts.
TS=
m
TN
V–24
v-23
rN-+
l-----’””+
]-2DN+
V-26
V-25
+
LIMITED
5H1525A
FIGURE
68.
TO
I
TAP I.P.S.
Root connections,
1/4
V-21 throuqh v-26.
73
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MI L-STD-22D
23 nay 1979
V–27
30”MlN
l--+
+r~
WELDED
OUTSIOE
v-27
WELOIZO
FIGURE
69.
Gutlot
connection,
INSIDE -+
‘~
fillet-reinforced
sinqle-J, v-27,
74
I
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MIL-ST D-22D
25 tiaY 1919
V-28
‘T2s”’-
STRIJCTURAL
$-,1
NOZZLE
(SEE
TANK
NOTE)
f
PIPING~
L
5n
Note:
The
0,065”
CLEARANCE MAX, (OSAMETRICAL)
9705
design
of the nozzle shall be .%s s~cified
FIGUFCS 70.
Structural
welded,
on the applicable
tank nozzle to pipe, fillet
v-28.
75
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nozzle drnwing.
_ .
.
_
.
,.
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STANDARDIZATION
OOCUMENT IMPROVEMENT PROPOSAL
{seehwmcrlom - RCVCW WC)
OCUIAENT
“AWE
2, LIOCUMEN7717LE
F4JMBER
OF SUBMITTING
O~G&Ni
ZATl
4, TvPE
ON
OF
•1
On GANIZAT$ON(MWb.”*J
vENOOm
❑
,ODRESS
IS-*1,
Clm,
mt. u.
MANUFACTURER
o
❑
ROB LEhl
P.,.w.P.
O,
HER,SC-CI,Y,;
.,
A~EAS
N.mLur
& noc.m-”oad
,2, n.OO.
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UPC*)
/R.,,
.“d
WOrd I.0:
W.rdi”s,
o..l.
!.?
R.c.
m”u.
d..;..:
;lEMARXS
I
dAME
OF SUBMITTER
U&l LINCJ A00f4E.SS
at.
fSfIV.1.
WI;oR’.1426
Fimt.
Cl-,
Ml)
Stdt#,
-
ZIP
b. WORK
00t1c.”d
C-)
-
0,
CWIO.M
Pt+EvtOUS
EOITION
TELCPMOME
Co&)
-
DATE
OF SUBMISSION
NUMBER
ft..l”dc
Omlor.w
IS O$SOLETE.
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fVVMMDD)
AIU
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