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API 5L pipe is carbon steel pipe used for oil and gas transmissions, it includes the pipes manufactured in seamless and welded (ERW, SAW). Materials covers API 5L Grade B, X42, X46, X52, X56, X60, X65, X70, X80 PSL1 & PSL2 onshore, offshore and sour services. API 5L the implementation standard of steel pipe for pipeline transportation system and specification for line pipe.
Tolerance on Dimensions
|
Standard |
Out Diameter |
Tolerance of Pipe End |
Tolerance of Wall Thickness |
|
|
API 5L PSL1/PSL2 |
OD<60.3 |
-0.4mm,1.6mm |
WT≤4.0 |
-0.5mm, +0.6 mm |
|
60.3≤OD≤168.3 |
-0.4mm,1.6mm |
4.0 |
-12.5%WT, +15%WT |
|
|
168.3 |
-0.5%D, +0.5%D -1.6mm, +1.6 mm |
T≥25.0 |
-10%D, +10%D -3.0mm, +3.7 mm |
|
|
610 |
-2mm, +2mm |
- |
- |
|
API SPEC 5L: In API SPEC 5L 46th Edition, it is defined the scope as:”Requirements for the manufacture of two product specification level (PSL1 and PSL2) of seamless and welded steel pipes for use in pipeline transportation systems in the petroleum and natural gas industries. This standard is not applicable to cast pipe.
ISO 3183:This International Standard specifies requirements for the manufacture of two product specification levels(PSL 1 and PSL 2) of seamless and welded steel pipes for use in pipeline transportation systems in the petroleum and natural gas industries.This International Standard is not applicable to cast pipe.
EN 10208 Steel pipes for pipelines for combustible fluids are used for transporting gas, oil, combustible fluids with specific pressure in the mining, chemical, and power engineering industry.
|
Standard |
Type of pipe |
Class |
Grade |
|
API SPEC 5L ISO 3183 |
SMLS |
PLS1 |
L245B, L290 X42, L320 X46 , L360 X52, L390 X56, L415 X60, L450 X65, L485 X70 |
|
PLS2 |
L245N BN, L290N X42N, L320N X46N, L360N X52N, L390N X56N, L415N X60N, L360Q X52Q, L390Q X56Q, L415Q X60Q , L485Q X70Q |
||
|
PLS2酸性环境PLS2 Sour Environment |
L245NS BNS, L290NS X42NS, L320NS X46NS L360NS X52NS, L390NS X56NS, L415NS X60NS, L360QS X52QS, L390QS X56QS, L415QS X60QS L485QS X70QS |
||
|
WELD |
PLS1 |
L245B, L290 X42, L320 X46, L360 X52 L390 X56, L415 X60, L450 X65, L485 X70 |
|
|
PLS2 |
L245M BM, L290M X42M, L320M X46M, L360M X52M, L390M X56M, L415M X60M, L450M X65M, L485M X70M, L555M X80M, |
||
|
GB/T9711.1 |
SMLS |
- |
L245, L290, L320, L360 |
|
WELD |
- |
L245, L290, L320, L360, L390 L415,L450,L485,L555 |
|
|
GB/T9711.2 |
SMLS |
- |
L24SNB, L290NB, L360NB, L415NB |
|
WELD |
- |
L245MB, L290MB, L360MB, L15MB L450MB, L485MB, L555MB |
|
|
GB/T9711.3 |
SMLS |
非酸性环境 Non-Sour Environment |
L245NC, L290NC, L360NC
|
|
WELD |
酸性环境 Sour Environment |
L245NCS, L290NCS, L360NCS
|
|
|
SMLS |
非酸性环境 Non-Sour Environment |
L290MC, L360MC, L415MC, L450MC, L485MC, L555MC
|
|
|
WELD |
酸性环境 Sour Environment |
L290MCS, L360MCS, L415MCS L450MCS, L485MCS |
Chemical Analysis
Standard
Type of pipe
Class
Grade
C
Si
Mn
P
S
V
Nb
Ti
max
max
max
max
max
max
max
max
API SPEC 5L
SMLS
PLS1
L245 B L290 X42 L320 X46 L360 X52 L390 X56 L415 X60 L450 X65 L485 X70 L245N BN
0.28 0.28 0.28 0.28 0.28 0.28 0.28 0.28 0.24
0.4
1.20 1.30 1.40 1.40 1.40 1.40 1.40 1.40 1.20
0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.025
0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.015
---------
---------
0.04
PLS2
L290N X42N
0.24
0.4
1.2
0.025
0.015
0.06
0.05
0.04
L320N X46N
0.24
0.4
1.4
0.025
0.015
0.07
0.05
0.04
L360N X52N
0.24
0.45
1.4
0.025
0.015
0.1
0.05
0.04
L390N X56N
0.24
0.45
1.4
0.025
0.015
0.1
0.05
0.04
L415N X60N
0.24
0.45
1.4
0.025
0.015
0.1
0.05
0.04
WELD
PLS1
L245 B
0.26
-
1.2
-
0.03
0.03
-
-
L290 X42
0.26
-
1.3
-
0.03
0.03
-
-
L320 X46
0.26
-
1.4
-
0.03
0.03
-
-
L360 X52
0.26
-
1.4
-
0.03
0.03
-
-
L390 X56
0.26
-
1.4
-
0.03
0.03
-
-
L415 X60
0.26
-
1.4
-
0.03
0.03
-
-
L450 X65
0.26
-
1.45
-
0.03
0.03
-
-
L485 X70
0.26
-
1.65
-
0.03
0.03
-
-
PLS2
L245M BM
0.22
0.45
1.2
0.025
0.015
0.05
0.05
0.04
L290M X42M
0.22
0.45
1.3
0.025
0.015
0.05
0.05
0.04
L320M X46M
0.22
0.45
1.3
0.025
0.015
0.05
0.05
0.04
L360M X52M
0.22
0.45
1.4
0.025
0.015
-
-
-
L390M X56M
0.22
0.45
1.4
0.025
0.015
-
-
-
L415M X60M
0.12
0.45
1.6
0.025
0.015
-
-
-
L450M X65M
0.12
0.45
1.6
0.025
0.015
-
-
-
L485M X70M
0.12
0.45
1.7
0.025
0.015
-
-
-
L555M X80M
0.12
0.45
1.85
0.025
0.015
-
-
-
Mechanical Properties
Standard
Class
Grade
Yield strength not less than (MPa)
Tensile strength (MPa)
Elongation(%)
Y.S/T.S
API SPEC 5L ISO 3183
PLS1
L245B
min
245
415
b
-
L290X42
min
290
415
b
-
L320X46
min
320
435
b
-
L360X52
min
360
460
b
-
L390X56
min
390
490
b
-
L415X60
min
415
520
b
-
L450X60
min
450
535
b
-
L485X70
min
485
570
b
-
PLS2
L245N BN
min
245
415
b
-
L245M BM
max
450
760
b
0.93
L290NX42N
min
290
415
b
-
L290MX42M
max
495
760
b
0.93
L320NX46N
min
320
435
b
-
L320MX46M
max
525
760
b
0.93
L360NX52N
min
360
460
b
-
L360MX52M
max
530
760
b
0.93
L390NX56N
min
390
490
b
-
L390MX56M
max
545
760
b
0.93
L415NX60N
min
415
520
b
-
L415MX60M
max
565
760
b
0.93
L450MX65M
min
450
535
b
-
max
600
760
b
0.93
L485MX70M
min
485
570
b
-
max
635
760
b
0.93
L555MX80M
min
555
625
b
-
max
705
825
b
0.93
