What is API 5L GR.X42 LSAW steel pipe
API 5L X42 welded steel pipe strictly complies with the API 5L standard established by the American Petroleum Institute (API), where "X42" denotes a minimum yield strength of 42,000 psi (approximately 290 MPa). This strength grade enables it to withstand medium-pressure transmission environments while maintaining excellent weldability and formability.
Compared to conventional welded pipes, API 5L X42 features an optimized chemical composition design, with its carbon equivalent (CE) kept within a reasonable range. This ensures adequate strength requirements while minimizing the risk of cold cracking during welding. Its typical chemical composition includes:
- C < 0.22%
- Mn ≤ 1.30%
- P ≤ 0.025%
- S ≤ 0.015%
- Trace alloying elements such as Nb, V, Ti to enhance overall performance.
Specification
Size : OD:406-1422.40mm WT:1.65-40mm, Length: 6mtr-20mtr
Standard & Grade :API 5L PSL1./ PSL2. GR.B,X42, X45, X50, X60, X60, X65, X70, X80
Ends:Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends
Coating: 3PE Coating;3PP Coating;FBE Coating;Epoxy Coating;Special Painting
Standard Of API 5L LSAW Steel Pipe
|
Standard |
Grade |
Chemical Composition(%) |
Tensile STrength(min) |
Yield Strength(min) |
|||
|
C Mn P S |
Mpa |
Mpa |
|||||
|
API 5L PSL1 |
A |
0.22 |
0.90 |
0.030 |
0.030 |
335 |
210 |
|
B |
0.28 |
1.20 |
0.030 |
0.030 |
415 |
245 |
|
|
X42 |
0.28 |
1.30 |
0.030 |
0.030 |
415 |
290 |
|
|
X46 |
0.28 |
1.40 |
0.030 |
0.030 |
435 |
320 |
|
|
X52 |
0.28 |
1. 40 |
0.030 |
0.030 |
460 |
360 |
|
|
X56 |
0.28 |
1.40 |
0.030 |
0.030 |
490 |
390 |
|
|
X60 |
0.28 |
1.40 |
0.030 |
0.030 |
520 |
415 |
|
|
X65 |
0.28 |
1.40 |
0.030 |
0.030 |
535 |
450 |
|
|
X70 |
0.28 |
1.40 |
0.030 |
0.030 |
570 |
485 |
|
|
Standard |
Grade |
Chemical Composition(%) |
Tensile STrength |
Yield Strength |
|||
|
C Mn P S |
Mpa |
Mpa |
|||||
|
API 5L PSL2 |
B |
0.24 |
1.20 |
0.025 |
0.015 |
415-655 |
245-450 |
|
X42 |
0.24 |
1.30 |
0.025 |
0.015 |
415-655 |
290-495 |
|
|
X46 |
0.24 |
1.40 |
0.025 |
0.015 |
435-655 |
320-525 |
|
|
X52 |
0.24 |
1. 40 |
0.025 |
0.015 |
460-760 |
360-530 |
|
|
X56 |
0.24 |
1. 40 |
0.025 |
0.015 |
490-760 |
390-545 |
|
|
X60 |
0.24 |
1. 40 |
0.025 |
0.015 |
520-760 |
415-565 |
|
|
X65 |
0.24 |
1.40 |
0.025 |
0.015 |
535-760 |
450-600 |
|
|
X70 |
0.24 |
1.40 |
0.025 |
0.015 |
570-760 |
485-635 |
|
|
X80 |
0.24 |
1. 40 |
0.025 |
0.015 |
625-825 |
555-705 |
|
GNEE API 5L GR.X42 LSAW steel pipe for sale
