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API 5L Pipeline Tube Chaw tsim tshuaj paus thiab tsum - Brisk Steel

 

Txuj API 5L
Qib PSL1 thiab PSL2
Qib A25, A25P, Qib A, Qib B, X42, X46, X52, X56, X60, X65, X70, X80, X90, X100, X120
L175, L175P, L210, L245, L290, L320, L360, L390, L415, L450, L485, L555, L625, L690, L830
Kev Xa Khoom R, N, Q, M
Kev Pabcuam O, S, P
Tsim Seamless los yog EW, LW, CW, LFW, HFW, LW, SAWL, SAWH, COWL, COWH welded steel kav
Cov yeeb nkab kawg Tswb kawg, Plain kawg, Plain kawg rau tshwj xeeb coupling, Threaded kawg
Dimension 0.405 nyob rau hauv - 84 nyob rau hauv [10.3 mm - 2134 mm]
Siv Pipeline tsheb thauj mus los hauv kev lag luam roj av thiab natural gas

 

API 5L yog dab tsi?

 

Nyob rau hauv API SPEC 5L 46th Edition, tus qauv Scope yog txhais raws li: "Yuav tsum tau rau kev tsim khoom ntawm ob yam khoom specification theem (PSL1 thiab PSL2) seamless thiab welded steel kav rau siv nyob rau hauv pipeline tsheb thauj mus los systems nyob rau hauv cov roj av thiab natural gas industries. Cov qauv no tsis siv rau cam khwb cia yeeb nkab."

 

Txhawm rau kom ua tiav, API 5L yeeb nkab yog cov pa roj carbon steel yeeb nkab siv rau cov roj thiab cov pa xa hluav taws xob. Lub caij no, lwm cov kua dej xws li chav dej, dej, thiab slurry kuj tuaj yeem siv API 5L tus qauv rau lawv cov hom phiaj sib kis.

API5L PSL1 ERW PIPE
ERW
API 5L SSAW STEEL PIPE
SAW / SAW
API 5L 10 INCH SMLS STEEL PIPE
SMLS
API 5L STEEL PIPE
LSAW / SAW

Hom kev tsim khoom

 

API 5L specification npog cov kev tsim khoom hauv welded thiab seamless.

 

Welded Hom: ERW, SAW, DSAW, LSAW, SSAW, HSAW Pipe

 

  • ERW: Hluav taws xob Resistance Welded, rau cov yeeb nkab txoj kab uas hla ib txwm nyob rau hauv 24 ntiv tes.

 

  • DSAW / SAW: Ob chav Submerged Arc Vuam / Submerged Arc Vuam, hloov vuam txoj kev ntawm ERW rau cov kav dej loj dua.

 

  • LSAW: Longitudinal SAW, rau txoj kab uas hla mus txog 48 ntiv tes. Kuj hu ua JCOE manufacturing process.

 

  • SSAW / HSAW: Kauv Submerged Arc Welded / Helical SAW, yeeb nkab diameters txog 100 ntiv tes.

 

Seamless Hom: Kub Rolled Seamless thiab Cold Rolled Seamless Yeeb Nkab

 

  • Seamless manufacturing hom feem ntau yog rau cov kav dej me me (feem ntau hauv qab 24 ntiv tes).

 

  • (Thaum cov yeeb nkab txoj kab uas hla tsawg dua 150 hli lossis 6 ntiv tes, cov yeeb nkab steel seamless feem ntau siv ntau dua li cov welded steel yeeb nkab.) Kuj tseem muaj cov kav dej seamless ntawm cov kab loj loj. Los ntawm kev siv cov txheej txheem kub dov, peb tuaj yeem tau txais cov kav dej seamless nrog txoj kab uas hla mus txog yuav luag 20 ntiv tes (508 hli). Yog tias koj xav tau cov kav dej seamless nrog txoj kab uas hla tshaj 20 ntiv tes, peb tuaj yeem ua rau lawv los ntawm cov txheej txheem nthuav dav kub, nrog qhov siab tshaj plaws mus txog 40 ntiv tes (1016 hli).

 

Kev Xa Khoom

 

Kev xa khoom yog hais txog qhov tshwj xeeb ntawm cov yeeb nkab thaum lub sijhawm xa khoom ntawm API 5L yeeb nkab. Nws feem ntau suav nrog lub xeev ntawm cov yeeb nkab tom qab kev tuav thiab kev tsim cov txheej txheem tiav lawm.

 

PSL Kev Xa Khoom Qib
PSL1 Raws li - dov, normalizing dov, normalized, los yog normalizing tsim L175 los yog A25
L175P los yog A25P
L210 los yog A
Raws li - dov, normalizing dov, thermomechanical dov, thermomechanical
tsim, normalizing tsim, normalized, normalized thiab tempered; los yog, yog
pom zoo, quenched thiab tempered rau SMLS yeeb nkab xwb		 L245 los yog B
Raws li - dov, normalizing dov, thermomechanical dov, thermomechanical
tsim, normalizing tsim, normalized, normalized thiab tempered los yog quenched
thiab tempered		 L290 los yog X42
L320 los yog X46
L360 los yog X52
l390x56 ua
L415 los yog X60
L450 los yog X65
L485 los yog X70
PSL 2 Raws li - dov L245R los yog BR
L290R or X42R
Normalizing dov, normalizing tsim, normalized, los yog normalized thiab tempered L245N or BN
L290N or X42N
L320N or X46N
L360N or X52N
L390N or X56N
L415N or X60 N
Quenched thiab tempered L245Q los yog BQ
L290Q los yog X42Q
L320Q or X46Q
L360Q or X52Q
L390Q or X56Q
L415Q or X60 Q
L450Q or X65Q
L485Q or X70 Q
L555Q or X80Q
L625Q or X90 Qc
L690Q or X100Qc
PSL 2 Thermomechanical dov los yog thermomechanical tsim 1245M or BM
L290M or X42M
L320M or X46M
L360M or X52M
L390M or X56M
L415M or X60M
L450M or X65M
L485M or X70M
L555M or X80M
Thermomechanical dov L625M or X90M
L690M or X100M
L830M or X120M

cSeamless nkaus xwb

 

Muaj ob txoj hauv kev qhia cov qib hauv API 5L. L + tus lej, qhov twg tus lej yog qhov tsawg kawg nkaus tawm lub zog hauv MPa. X + tus lej, tus lej yog qhov tsawg kawg nkaus tawm lub zog hauv 1000 psi.

 

Cov raj qib PSL2 kuj muaj tsab ntawv (R, N, Q, lossis M) los qhia txog kev xa khoom.

 

  • R: Raws li Rolled;

 

  • N: normalized;

 

  • Q: Quenched thiab Tempered;

 

  • M: Thermo-Mechanically Controlled Processed;

 

Thaum xaj PSL2 raws li peb qhov kev pabcuam tshwj xeeb, cov ntawv txuas ntxiv yog siv los qhia txog cov kev pabcuam, ntxiv rau cov ntawv xa khoom.

 

  • O: PSL 2 Pipe rau Offshore Service;

 

  • S: PSL 2 Pipe rau Sour Service;

 

  • P: PSL2 Yeeb Nkab rau cov ntawv thov uas yuav tsum tau muaj peev xwm ua tau ntev ntev;

 

Raw Materials & Manufacturing txheej txheem

 

Cov khoom siv raw

 

Cov khoom siv raw siv hauv kev tsim cov raj yog ingots, paj, billets, coils, los yog daim hlau. Qhov dav ntawm cov phaj steel siv rau kev tsim cov kauv seam steel yeeb nkab yuav tsum tsis pub tsawg tshaj 0.8 npaug los yog ntau tshaj 3.0 npaug ntawm qhov teev sab nraud ntawm cov yeeb nkab.

 

Rau cov yeeb nkab PSL 2, cov hlau yuav tsum raug tua thiab ua raws li kev coj ua zoo - nplej.

 

Lub kauj lossis phaj siv rau kev tsim cov yeeb nkab PSL 2 yuav tsum tsis muaj kev kho welds.

 

Cov txheej txheem tsim khoom

 

API 5L tso cai rau ntau hom kev tsim xws li Seamless lossis EW, LW, CW, LFW, HFW, LW, SAWL, SAWH, COWL, thiab COWH welded txheej txheem.

 

Txawm li cas los xij, tsis yog txhua qhov kev tsim khoom raug tso cai rau txhua qib.

 

Hom Pipe los yog
Cov yeeb nkab kawg		 PSL 1 Pipe Qiba PSL 2 Pipe Qiba
L175 los yog A25b L175P los yog A25Pb L210 los yog A L245 los yog B L290 – L485
los yog X42-X70		 L245 – L555
los yog B-X80		 > L555 – L690
los yog X80 – X100		 > L690 – L830
los yog X100 - X120
Hom yeeb nkab
SMLS X X X X X X X –
CW X X – – – – – –
LFW X – X X X – – –
HFW X – X X X X – –
LW – – – – X – – –
SAWLc – – X X X X X X
SAWHd – – X X X X X X
COWLc – – X X X X – –
COVd – – X X X X – –
Hom yeeb nkab kawg
Belled kawge X – X X X – – –
Plain kawg X – X X X X X X
Plain kawg rau
tshwj xeeb coupling		 X – X X – – – –
Xov kawgf X X X X – – – –
aCov qhab nia nruab nrab muaj yog tias pom zoo tab sis txwv rau cov qib siab dua qib L290 lossis X42.
bQib L175, L175P, A25, thiab A25P raug txwv rau cov yeeb nkab nrog D Tsawg dua lossis sib npaug ntawm 141.3 hli [5.563 hauv].
cMuab ob npaug rau- seam yeeb nkab muaj yog tias pom zoo, tab sis txwv rau cov yeeb nkab nrog D Ntau dua lossis sib npaug rau 914 hli [36.000 hauv].
dHelical seam yeeb nkab yog txwv rau cov yeeb nkab nrog D Ntau dua lossis sib npaug rau 114.3 hli [4.500 hauv].
eBelled -kawg yeeb nkab yog txwv rau cov yeeb nkab nrog D Less dua los yog sib npaug rau 219.1 hli [8.625 nyob rau hauv] thiab t Tsawg dua los yog sib npaug rau 3.6 hli [0.141 hauv].
fThreaded -kawg yeeb nkab yog txwv rau SMLS thiab longitudinal seam welded yeeb nkab nrog D Tsawg dua los yog sib npaug rau 508 hli [20.000 hauv].

 

Chaw tsim khoom rau PSL 2 Yeeb Nkab

 

Kev xa khoom ntawm PSL2 steel kav yuav tsum tau txiav txim siab los ntawm kev xaiv cov khoom siv raw, tsim cov txheej txheem, thiab kev kho cua sov raws li ntau hom kav dej.

 

Ingot, paj, los yog bille Pib Khoom Yeeb nkab txoj kev Kev kho cua sov yeeb nkab Kev Xa Khoom
SMLS Kub sib sau Raws li - dov - R
Normalizing tsim - N
Txias txoj kev normalizing N
Quenching thiab tempering Q
Kub sib sau thiab txias
ua tiav		 normalizing N
Quenching thiab tempering Q
HFW Normalizing -rolled kauj Txias txoj kev Kev kho cua sovantawm weld cheeb tsam nkaus xwb N
Thermomechanical -rolled kauj Cold foming Kev kho cua sovantawm weld cheeb tsam nkaus xwb M
Kev kho cua sovantawm weld cheeb tsam thiab kev ntxhov siab relieving ntawm tag nrho cov yeeb nkab M
Raws li - dov los yog thermomechanical - dov kauj Txias txoj kev normalizing N
Quenching thiab
tempering		 Q
Txias txoj kev ua raws li kub
txo nyob rau hauv kev tswj
kub ua rau
normalized mob		 - N
Txias txoj kev ua raws li thermomechanical txoj kev ntawm cov yeeb nkab - M
SAW
los yog
COV		 Normalized los yog normalizing -
dov kauj los yog phaj		 Txias txoj kev - N
Raws li - dov, thermomechanical- dov, normalizing- dov, los yog normalized kauj lossis phaj Txias txoj kev normalizing N
Thermomechanical - dov kauj lossis phaj Cold foming - M
Quenched thiab tempered phaj Txias txoj kev - Q
Txias txoj kev Txias txoj kev Quenching thiab tempering Q
Raws li - dov, thermomechanical - dov, normalizing - dov, los yog normalized kauj lossis phaj Normalizing tsim - N

aSaib ISO 5L 8.8 rau kev kho cua sov

 

Tshuaj muaj pes tsawg leeg

 

Cov tshuaj muaj pes tsawg leeg ntawm API PLS1 thiab PSL2 tubing nrog phab ntsa thickness ntau dua 25 hli [0.984 hauv] yuav tsum txiav txim siab los ntawm kev pom zoo.

 

Chemical Composition rau PSL 1 Pipe

 

Qib Steel Loj Fraction, Raws li kev ntsuas kub thiab cov khoom lag luama.g
%
C Mn P S V Nb Ti
maxb maxb min max max max max max
Seamless Yeeb Nkab
L175 los yog A25 0.21 0.60 - 0.03 0.03 - - -
L175P los yog A25P 0.21 0.60 0.05 0.08 0.03 - - -
L210 los yog A 0.22 0.90 - 0.03 0.03 - - -
L245 los yog B 0.28 1.20 - 0.03 0.03 c,d c,d d
L290 los yog X42 0.28 1.30 - 0.03 0.03 d d d
L320 los yog X46 0.28 1.40 - 0.03 0.03 d d d
L360 los yog X52 0.28 1.40 - 0.03 0.03 d d d
l390x56 ua 0.28 1.40 - 0.03 0.03 d d d
L415 los yog X60 0.28 e 1.40 e - 0.03 0.03 f f f
L450 los yog X65 0.28 e 1.40 e - 0.03 0.03 f f f
L485 los yog X70 0.28 e 1.40 e - 0.03 0.03 f f f
Welded yeeb nkab
L175 los yog A25 0.21 0.60 - 0.03 0.03 - - -
L175P los yog A25P 0.21 0.60 0.05 0.08 0.03 - - -
L210 los yog A 0.22 0.90 - 0.03 0.03 - - -
L245 los yog B 0.26 1.20 - 0.03 0.03 c,d c,d d
L290 los yog X42 0.26 1.30 - 0.03 0.03 d d d
L320 los yog X46 0.26 1.40 - 0.03 0.03 d d d
L360 los yog X52 0.26 1.40 - 0.03 0.03 d d d
l390x56 ua 0.26 1.40 - 0.03 0.03 d d d
L415 los yog X60 0.26 e 1.40 e - 0.03 0.03 f f f
L450 los yog X65 0.26 e 1.45 e - 0.03 0.03 f f f
L485 los yog X70 0.26 e 1.65 e - 0.03 0.03 f f f

 

Chemical Composition rau PSL 2 Pipe

 

Qib Steel Loj Fraction, Raws li Kev Ntsuas Kub thiab Cov Khoom Muag, %, max Carbon sib npauga, , max
C b Si Mn b P S V Nb Ti Lwm yam CElwj CEpcm ua
Seamless thiab Welded yeeb nkab
L245R los yog BR 0.24 0.40 1.20 0.025 0.015 c c 0.04 e, I 0.43 0.25
L290R or X42R 0.24 0.40 1.20 0.025 0.015 0.06 0.05 0.04 e, I 0.43 0.25
L245N or BN 0.24 0.40 1.20 0.025 0.015 c c 0.04 e, I 0.43 0.25
L290N or X42N 0.24 0.40 1.20 0.025 0.015 0.06 0.05 0.04 e, I 0.43 0.25
L320N or X46N 0.24 0.40 1.40 0.025 0.015 0.07 0.05 0.04 d, e, I 0.43 0.25
L360N or X52N 0.24 0.45 1.40 0.025 0.015 0.10 0.05 0.04 d, e, I 0.43 0.25
L390N or X56N 0.24 0.45 1.40 0.025 0.015 0.10 f 0.05 0.04 d, e, I 0.43 0.25
L415N or X60 N 0.24 f 0.45 f 1.40 f 0.025 0.015 0.10 f 0.05 f 0.04 f g, h, I Raws li pom zoo
L245Q los yog BQ 0.18 0.45 1.40 0.025 0.015 0.05 0.05 0.04 e, l 0.43 0.25
L290Q los yog X42Q 0.18 0.45 1.40 0.025 0.015 0.05 0.05 0.04 e, I 0.43 0.25
L320Q or X46Q 0.18 0.45 1.40 0.025 0.015 0.05 0.05 0.04 e, I 0.43 0.25
L360Q or X52Q 0.18 0.45 1.50 0.025 0.015 0.05 0.05 0.04 e, I 0.43 0.25
L390Q or X56Q 0.18 0.45 1.50 0.025 0.015 0.07 0.05 0.04 d, e, I 0.43 0.25
L415Q or X60 Q 0.18 f 0.45 f 1.70 f 0.025 0.015 g g g h, I 0.43 0.25
L450Q or X65Q 0.18 f 0.45 f 1.70 f 0.025 0.015 g g g h, I 0.43 0.25
L485Q or X70 Q 0.18 f 0.45 f 1.80 f 0.025 0.015 g g g h, I 0.43 0.25
L555Q or X80Q 0.18 f 0.45 f 1.90 f 0.025 0.015 g g g I, j Raws li pom zoo
L625Q or X90 Q 0.16 f 0.45 f 1.90 0.020 0.010 g g g j, k Raws li pom zoo
L690Q or X100Q 0.16 f 0.45 f 1.90 0.020 0.010 g g g j, k Raws li pom zoo
Welded yeeb nkab
L245M or BM 0.22 0.45 1.20 0.025 0.015 0.05 0.05 0.04 e, l 0.43 0.25
L290M or X42M 0.22 0.45 1.30 0.025 0.015 0.05 0.05 0.04 e, I 0.43 0.25
L320M or X46M 0.22 0.45 1.30 0.025 0.015 0.05 0.05 0.04 e, I 0.43 0.25
L360M or X52M 0.22 0.45 1.40 0.025 0.015 d d d e, l 0.43 0.25
L390M or X56M 0.22 0.45 1.40 0.025 0.015 d d d e, I 0.43 0.25
L415M or X60M 0.12 f 0.45 f 1.60 f 0.025 0.015 g g g h, I 0.43 0.25
L450M or X65M 0.12 f 0.45 f 1.60 f 0.025 0.015 g g g h, I 0.43 0.25
L485M or X70M 0.12 f 0.45 f 1.70 f 0.025 0.015 g g g h, I 0.43 0.25
L555M or X80M 0.12 f 0.45 f 1.85 f 0.025 0.015 g g g i, l 0.43 f 0.25
L625M or X90M 0.10 0.55 f 2.10 f 0.020 0.010 g g g i, l -- 0.25
L690M or X100M 0.10 0.55 f 2.10 f 0.020 0.010 g g g i, j -- 0.25
L830M or X120M 0.10 0.55 f 2.10 f 0.020 0.010 g g g i, j -- 0.25

 

  • Thaum cov ntsiab lus carbon ntawm PSL 2 steel yeeb nkab sib npaug los yog tsawg dua 0.12%, cov pa roj carbon sib npaug CEPcmyuav tsum xam raws li nram no equation:

CEPcm= C + Si/30 + Mn/20 + Cu/20 + Ni/60 + Cr/20 + Mo/15 + V/10 + 5B

 

  • Thaum cov ntsiab lus carbon ntawm PSL 2 steel yeeb nkab yog ntau dua 0.12%, cov pa roj carbon sib npaug CElwjyuav tsum xam raws li cov qauv hauv qab no:

CElwj= C+ Mn/6 + Cu/20 + (Cr + Mo + V)/5 + (Ni + Cu)/15

 

Mechanical Properties

 

Mechanical Properties rau PSL 1 Pipe

 

Qib Qib Lub cev ntawm Seamless thiab Welded Yeeb Nkab Weld Seam of EW, LW, SAW, and COW Pipe
Yield zog a
Rt0.5
MPa (psi)		 Tensile zog a
Rm
MPa (psi)		 Elongation
(50mm lossis 2 nti)
Af
%		 Tensile zog b
Rm
MPa (psi)
min min min min
L175 los yog A25 175 (25,400) 310 (45,000) c 310 (45,000)
L175P los yog A25P 175 (25,400) 310 (45,000) c 310 (45,000)
L210 los yog A 210 (30,500) 335 (48,600) c 335 (48,600)
L245 los yog B 245 (35,500) 415 (60,200) c 415 (60,200)
L290 los yog X42 290 (42,100) 415 (60,200) c 415 (60,200)
L320 los yog X46 320 (46,400) 435 (63,100) c 435 (63,100)
L360 los yog X52 360 (52,200) 460 (66,700) c 460 (66,700)
l390x56 ua 390 (56,600) 490 (71,100) c 490 (71,100)
L415 los yog X60 415 (60,200) 520 (75,400) c 520 (75,400)
L450 los yog X65 450 (65,300) 535 (77,600) c 535 (77,600)
L485 los yog X70 485 (70,300) 570 (82,700) c 570 (82,700)
a. Rau cov qib nruab nrab, qhov sib txawv ntawm qhov tsawg kawg nkaus tensile lub zog thiab qhov tsawg kawg nkaus yield zog
rau cov yeeb nkab lub cev yuav tsum tau raws li muab rau qib siab dua tom ntej.
b. Rau cov qib nruab nrab, qhov tsawg kawg nkaus tensile lub zog rau lub vuam seam yuav tsum yog tib tus nqi raws li tau txiav txim siab rau
yeeb nkab lub cev siv cov lus hauv qab a).

c. Qhov tsawg kawg nkaus elongation, Af, qhia nyob rau hauv feem pua ​​thiab sib npaug mus rau qhov ze feem pua, yuav tsum tau txiav txim siab siv cov kab zauv hauv qab no:

 

page-112-55
Qhov twg:
C yog 1 940 rau kev suav nrog SI units thiab 625 000 rau kev suav nrog USC units;

Axc yog qhov siv tau tensile xeem daim hla -sectional cheeb tsam, qhia nyob rau hauv square millimeters (square inches), raws li nram no:
- rau cov hla hla-section xeem daim, 130mm2 (0.20 in2) rau 12.7 mm (0.500 in) thiab 8.9 mm (0.350 in) inch test pieces;
thiab 65 mm2 (0.10 in2) rau 6.4 mm (0.250in) inch test pieces;
- rau tag nrho -section xeem daim, qhov tsawg dua ntawm a) 485 mm2 (0.75 in2) thiab b) tus ntoo khaub lig-sectional cheeb tsam ntawm daim ntawv xeem, muab tau los ntawm kev teev tseg
sab nraud txoj kab uas hla thiab cov phab ntsa thickness ntawm cov yeeb nkab, sib npaug mus rau qhov ze tshaj 10 mm2 (0.10in2)
- rau daim ntawv xeem strip, qhov tsawg dua ntawm a) 485 mm2 (0.75 in2) thiab b) tus ntoo khaub lig-sectional cheeb tsam ntawm daim ntawv xeem, muab tau los ntawm kev qhia dav
ntawm daim ntawv xeem thiab cov phab ntsa thickness ntawm cov yeeb nkab, sib npaug mus rau qhov ze tshaj 10 mm2 (0.10in2)

U yog qhov tsawg kawg nkaus tensile lub zog, qhia nyob rau hauv megapascals (phaus ib square inch)

 

Mechanical Properties rau PSL 2 Yeeb Nkab

 

Qib Qib Lub cev ntawm Seamless thiab Welded Yeeb Nkab Weld Seam ntawm HFW SAW thiab CoW Pipe
Yield zoga
Rt0.5
MPa (psi)		 Tensile zoga
Rm
MPa (psi)		 Piv txwva.c

Rt 0.5 / Rm		 Elongation
(50mm lossis 2 nti)
Af
%		 Tensile
Lub zogd
Rm
MPa (psi)
min max min max max min min
L245R los yog BR
L245N or BN
L245Q los yog BQ
L245M or BM		 245
(35,500)		 450
(65,300) e		 415
(60,200)		 655
(95,000)		 0.93 f 415
(60,200)
L290R or X42R
L290N or X42N
L290Q los yog X42Q
L290M or X42M		 290
(42,100)		 495
(71,800)		 415
(60,200)		 655
(95,000)		 0.93 f 415
(60,200)
L320N or X46N
L320Q or X46Q
L320M or X46M		 320
(46,400)		 525
(76,100)		 435
(63,100)		 655
(95,000)		 0.93 f 435
(63,100)
L360N or X52N
L360Q or X52Q
L360M or X52M		 360
(52,200)		 530
(76,900)		 460
(66,700)		 760
(110,200)		 0.93 f 460
(66,700)
L390N or X56N
L390Q or X56Q
L390M or X56M		 390
(56,600)		 545
(79,000)		 490
(71,100)		 760
(110,200)		 0.93 f 490
(71,100)
L415N or X60 N
L415Q or X60 Q
L415M or X60M		 415
(60,200)		 565
(81,900)		 520
(75,400)		 760
(110,200)		 0.93 f 520
(75,400)
L450Q or X65Q
L450M or X65M		 450
(65,300)		 600
(87,000)		 535
(77,600)		 760
(110,200)		 0.93 f 535
(77,600)
L485Q or X70 Q
L485M or X70M		 485
(70,300)		 635
(92,100)		 570
(82,700)		 760
(110,200)		 0.93 f 570
(82,700)
L555Q or X80Q
L555M or X80M		 555
(80,500)		 705
(102,300)		 625
(90,600)		 825
(119,700)		 0.93 f 625
(90,600)
L625M or X90M 625
(90,600)		 775
(112,400)		 695
(100,800)		 915
(132,700)		 0.95 f 695
(100,800)
L625Q or X90 Q 625
(90,600)		 775
(112,400)		 695
(100,800)		 915
(132,700)		 0.97 g f -
L690M or X100M 690
(100,100) b		 840
(121,800) b		 760
(110,200)		 990
(143,600)		 0.97 h f 760
(110,200)
L690Q or X100Q 690
(100,100) b		 840
(121,800) b		 760
(110,200)		 990
(143,600)		 0.97 h f -
L830M or X120M 830
(120,400) b		 1050
(152,300) b		 915
(132,700)		 1145
(166,100)		 0.99 h f 915
(132,700)
a.Rau cov qib nruab nrab, qhov sib txawv ntawm qhov ntsuas qhov siab tshaj plaws ntawm lub zog thiab lub zog siab tshaj tawm qhov tsawg kawg nkaus yuav tsum tau muab rau hauv lub rooj rau qib siab dua tom ntej, thiab qhov sib txawv ntawm lub zog tensile uas tau teev tseg thiab qhov tsawg kawg nkaus yield zog yuav tsum tau muab rau hauv lub rooj rau qib siab dua tom ntej. Rau cov qib nruab nrab mus txog qib L320 lossis X46, lub zog tensile yuav tsum tsawg dua lossis sib npaug li 655 MPa (95 000 psi). Rau cov qib nruab nrab siab dua qib L320 lossis X46 thiab qis dua Qib L555 lossis X80, lub zog tensile yuav tsum tsawg dua lossis sib npaug li 760 MPa (110 200 psi).Rau cov qib nruab nrab siab dua Qib L555 lossis X80 qhov siab tshaj plaws kev tso cai tensile zog yuav tsum tau los ntawm kev sib tw tensile zog. Rau cov chav nyob Sl, tus nqi suav yuav tsum muab sib npaug mus rau qhov ze tshaj 5MPa. Rau USC units, tus nqi suav yuav tsum muab sib npaug rau qhov ze tshaj 100 psi.
b.For grades >L625 lossis X90, Rp0.2 siv.
c.This limit applies for pipe with D>323.9 hli (12.750 nyob rau hauv).
e.Rau cov yeeb nkab uas xav tau kev sim longitudinal, qhov siab tshaj plaws yield zog yuav tsum tsawg dua los yog sib npaug rau 495 MPa (71 800 psi).

f.Qhov tsawg kawg nkaus elongation, Af, yuav tsum tau txiav txim siab siv cov kab zauv hauv qab no:

 

page-113-55

Qhov twg:
C yog 1 940 rau kev suav nrog SI units thiab 625 000 rau kev suav nrog USC units;

Axc yog qhov siv tau tensile xeem daim hla -sectional cheeb tsam, qhia nyob rau hauv square millimeters (square inches), raws li nram no:
- rau cov hla hla-section xeem daim, 130mm2 (0.20 in2) rau 12.7 mm (0.500 in) thiab 8.9 mm (0.350 in) inch test pieces;
thiab 65 mm2 (0.10 in2) rau 6.4 mm (0.250in) inch test pieces;
- rau tag nrho -section xeem daim, qhov tsawg dua ntawm a) 485 mm2 (0.75 in2) thiab b) tus ntoo khaub lig-sectional cheeb tsam ntawm daim ntawv xeem, muab tau los ntawm kev teev tseg
sab nraud txoj kab uas hla thiab cov phab ntsa thickness ntawm cov yeeb nkab, sib npaug mus rau qhov ze tshaj 10 mm2 (0.10in2)
- rau daim ntawv xeem strip, qhov tsawg dua ntawm a) 485 mm2 (0.75 in2) thiab b) tus ntoo khaub lig-sectional cheeb tsam ntawm daim ntawv xeem, muab tau los ntawm kev qhia dav
ntawm daim ntawv xeem thiab cov phab ntsa thickness ntawm cov yeeb nkab, sib npaug mus rau qhov ze tshaj 10 mm2 (0.10in2)

U yog qhov tsawg kawg nkaus tensile lub zog, qhia nyob rau hauv megapascals (phaus ib square inch)

 

Ntxiv nrog rau cov kev ntsuas tensile saum toj no, API 5L muaj cov cuab yeej ntsuas cov cuab yeej:

 

  • Khoov Test
  • Flattening Test
  • Coj-khoov Test
  • CVN Impact Test rau PSL2 Yeeb Nkab
  • DWT Test rau PSL2 Welded Yeeb Nkab
  • Kev sim hardness ntawm cov tawv nqaij hauv qhov txias - ua welded yeeb nkab

 

Hydrostatic Test

 

Lub Sijhawm Xeem

 

  • Lub sij hawm stabilization yuav tsum tsis pub tsawg tshaj 5 vib nas this rau txhua qhov ntau thiab tsawg ntawm seamless (SMLS) yeeb nkab thiab D Tsawg dua los yog sib npaug rau 457 mm (18 in) welded yeeb nkab.

 

  • Lub sij hawm ruaj khov siab rau welded yeeb nkab D> 457 mm (18 in) yuav tsum tsis pub tsawg tshaj 10 vib nas this.

 

Hydrostatic siab

 

Lub siab hydrostatic P ntawm lub tiaj -kawg steel yeeb nkab tuaj yeem xam raws li cov qauv:

P=2St/D

 

  • t yog qhov tshwj xeeb phab ntsa thickness, qhia hauv millimeters (inch);

 

  • D yog qhov qhia tawm sab nraud, qhia hauv millimeters (inch);

 

  • S yog qhov kev nyuaj siab, qhia hauv megapascals (pounds ib square inch), Sib npaug rau qhov tsawg kawg nkaus yield zog multiplied los ntawm feem pua ​​​​ntawm cov lus hauv qab no.

 

Qib Qib Specified Sab Nraud Diameter
D
mm (hauv.)		 Qhov feem pua ​​​​ntawm Kev Qhia Tawm Tsawg Tshaj Tawm Lub Zog rau Kev Txiav Txim ntawm S
Standard Test Siab Alternative Test Siab
L175 los yog A25 Tsawg dua lossis sib npaug rau 141.3 (5.563) 60 75
L175P los yog A25P Tsawg dua lossis sib npaug rau 141.3 (5.563) 60 75
L210 los yog A Ib qho 60 75
L245 los yog B Ib qho 60 75
L290 – L830
los yog X42-X120		 Tsawg dua lossis sib npaug rau 141.3 (5.563) 60 75
＞ 141.3 (5.563) rau 219.1 (8.625) 75 75
219.1 (8.625) rau 508 (20) 85 85
Ntau dua lossis sib npaug rau 508 (20) 90 90

 

Dimesion kam rau ua

 

Txoj kab uas hla thiab tawm - ntawm -Roundness kam rau ua

 

Specified Sab Nraud Diameter
mm (hauv)		 Txoj kab uas hla Tolerances
mm (hauv)		 Tawm ntawm - ntawm - roundness Tolerances
mm (hauv)
Yeeb Nkab Tsuas Yog Kawg Cov yeeb nkab kawg Yeeb Nkab Tsuas Yog Kawg Cov yeeb nkab kawg
SMLS cev Welded yeeb nkab SMLS cev Welded yeeb nkab
＜ 60.3 (2.375) -0.8 (0.031) rau +0.4 (0.016) -0.8 (0.031) rau +0.4 (0.016) 1.2 (0.048) 0.9 (0.036)
Ntau dua lossis sib npaug ntawm 60.3 (2.375) txog 168.3 (6.625) ±0.0075D -0.4 (0.016) rau +1.6 (0.063) 0.02D rau D / t Tsawg dua lossis sib npaug rau 75; los ntawm kev pom zoo rau D/t ＞ 75 0.015D rau D / t Tsawg dua lossis sib npaug rau 75; los ntawm kev pom zoo rau D/t ＞ 75
168.3 (6.625) rau 610 (24) ±0.0075D ± 0.0075D, tab sis siab tshaj ± 3.2 (0.125) ± 0.005D, tab sis siab tshaj ± 1.6 (0.063) 0.020D 0.015D
610 (24) txog 1422 (56) ±0.01D ± 0.005D, tab sis siab tshaj ± 4.0 (0.160) ±2.0 (0.079) ±1.6 (0.063) 0.015D, tab sis qhov siab tshaj plaws ntawm 15 (0.6) rau D / t Tsawg dua lossis sib npaug rau 75; los ntawm kev pom zoo rau D/t ＞ 75 0.01D, tab sis qhov siab tshaj plaws ntawm 13 (0.5) rau D / t Tsawg dua lossis sib npaug rau 75; los ntawm kev pom zoo rau D/t ＞ 75
＞ 1422 (56) Raws li pom zoo

 

Phab ntsa Thickness kam rau ua

 

Phab ntsa Thickness
t
mm (hauv.)		 Tolerances
mm (hauv.)
SMLS cev
Tsawg dua lossis sib npaug rau 4.0 (0.157) +0.6 (0.024)
-0.5 (0.020)
>4.0 (0.157) rau <25.0 (0.984) +0.150t
-0.125t
Ntau dua lossis sib npaug rau 25.0 (0.984) +3.7 (0.146) los yog +0.1t, qhov twg yog qhov ntau dua
-3.0 (0.120) lossis -0.1t, qhov twg yog qhov ntau dua
Welded yeeb nkab
Tsawg dua lossis sib npaug rau 5.0 (0.197) ±0.5 (0.020)
>5.0 (0.197) rau <15.0 (0.591) ±0.1t
Ntau dua lossis sib npaug rau 15.0 (0.591) ±1.5 (0.060)

 

Ntev Ntev

 

  • Tolerances rau qhov ntev ntev

 

Ntev ntev yog ± 500 hli (20 hauv).

 

  • Tolerances rau Random Length yeeb nkab

 

Random Length Designation
m (ft)		 Yam tsawg kawg nkaus
m (ft)		 Yam tsawg kawg nruab nrab ntev rau txhua yam khoom xaj
m (ft)		 Qhov siab tshaj plaws
m (ft)
Threaded-thiab-coupled Pipe
6 (20) 4.88 (16.0) 5.33 (17.5) 6.86 (22.5)
9 (30) 4.11 (13.5) 8.00 (26.2) 10.29 (33.8)
12 (40) 6.71 (22.0) 10.67 (35.0) 13.72 (45.0)
Plain-Pib kawg
6(20) 2.74 (9.0) 5.33 (17.5) 6.86 (22.5)
9 (30) 4.11 (13.5) 8.00 (26.2) 10.29 (33.8)
12 (40) 4.27 (14.0 10.67 (35.0) 13.72 (45.0)
15 (50) 5.33 (17.5) 13.35 (43.8) 16.76 (55.0)
18 (60) 6.40 (21.0) 16.00 (52.5) 19.81 (65.0)
24 (80) 8.53 (28.0) 21.34 (70.0) 25.91 (85.0)

 

Tolerances rau Straightness

 

Tag nrho qhov sib txawv ntawm lub raj ntev ntawm txoj kab ncaj nraim yuav tsum tsawg dua lossis sib npaug li 0.2% ntawm lub raj ntev.

 

Kev sib txawv hauv zos los ntawm txoj kab ncaj nraim hla 1.5 m (5.0 ft) ntev ntawm qhov kawg ntawm cov yeeb nkab yuav tsum tsawg dua lossis sib npaug li 3.2 hli (0.125 hauv).

 

Tolerances rau Beveled End

 

Beveled kawg lub kaum sab xis 30℃-35 degree, hauv paus ntsej muag 0.8 - 2.4 mm (0.031 - 0.094 nyob rau hauv).

 

Qhov siab tshaj plaws tso cai Weld hlaws qhov siab rau SAW thiab COW Yeeb Nkab (Tshwj tsis yog cov yeeb nkab kawg)

 

Specified Phab ntsa Thickness
mm (hauv.)		 Weld Bead Qhov siab, mm (hauv), max
Sab hauv Bead Sab nraud Bead
Tsawg dua lossis sib npaug rau 13.0 (0.512) 3.5 (0.138) 3.5 (0.138)
> 13.0 (0.512) 3.5 (0.138) 4.5 (0.177)
Xa kev nug