API SPEC 5L
Name: Pipeline Seamless Steel Pipe
Standards: API SPEC 5L-API Standard
GB/T9711.2-CNS
Applications: Wide application in oil and natural gas industry like oxygen, water and oil delivery pipes
Models: B, X42, X52, X60, X65, X70
Dimension Tolerance:
Specifications | OD(mm) | Wall Thickness(mm) | ||
Pipes Body | OD(mm) | Allowable deviation(mm) | OD(mm) | Allowable deviation(mm) |
≥60.3, S<20 | ±0.75% | ≤73.0 | +15%, -12.5% | |
≥60.3, S-≥20 | ±1.00% | >73.0, S<20 | +15%, -12.5% | |
>73.0, S≥20 | +17.5%, -10% |
Grade and Chemical Composition (%)
Standard |
Grade |
Chemical Composition(%) |
|||
C |
Mn |
P |
S |
||
B |
≤0.28 |
≤1.20 |
≤0.030 |
≤0.030 |
|
X42 |
≤0.28 |
≤1.30 |
≤0.030 |
≤0.030 |
|
X46,X52 |
≤0.28 |
≤1.40 |
≤0.030 |
≤0.030 |
Mechanical Properties (MPa) (PSL1):
Standard |
Grade |
(MPa) |
(MPa) |
A% |
||
API |
PSL1 |
|||||
≥ |
||||||
|
psi |
MPa |
psi |
MPa |
MIN(%) |
|
B |
35,000 |
241 |
60,000 |
414 |
21~27 |
|
X42 |
42,000 |
290 |
60,000 |
414 |
21~27 |
|
X46 |
46,000 |
317 |
63,000 |
434 |
20~26 |
|
X52 |
52,000 |
359 |
66,000 |
455 |
20~24 |
Grade and Chemical Composition (%)
Standard |
Grade |
(MPa) |
(MPa) |
A% |
(J) |
||
API |
PSL2 |
||||||
|
Min |
Max |
Min |
Max |
|
Min |
|
B |
241 |
448 |
414 |
758 |
21~27 |
41(27) |
|
X42 |
290 |
496 |
414 |
758 |
21~27 |
41(27) |
|
X46 |
317 |
524 |
434 |
758 |
20~26 |
41(27) |
|
X52 |
359 |
531 |
455 |
758 |
20~24 |
41(27) |
Mechanical Properties (MPa) (PSL2):
Standard |
Grade |
Chemical Composition(%) |
||||
C |
Mn |
TI |
P |
S |
||
B |
≤0.24 |
≤1.20 |
≤0.04 |
≤0.025 |
≤0.015 |
|
X42 |
≤0.24 |
≤1.30 |
≤0.04 |
≤0.025 |
≤0.015 |
|
X46,X52 |
≤0.24 |
≤1.40 |
≤0.04 |
≤0.025 |
≤0.015 |