The production of API 5L PSL1 X56 pipeline sheet adopts microalloying heating treatment process, the production cost of stainless steel seamless pipe is significantly higher than that of welded pipe, and with the improvement of API 5L PSL1 X56 pipeline sheet, such as the limitation of carbon equivalent of pipeline pipe with steel grade above X80.
API 5L PSL1 X56 pipeline sheet chemical composition
| Grade |
C |
Mn |
Ti |
P |
S |
|
API 5L PSL1 X56 seamless |
0.28 |
1.4 |
0.04 |
0.030 |
0.030 |
|
API 5L PSL1 X56 welded |
0.26 |
1.4 |
0.04 |
0.03 |
0.03 |
API 5L PSL1 X56 pipeline sheet mechanical properties
| Grade |
Yield strength min |
Tensile strength |
|
API 5L PSL1 X56 |
386 Mpa |
490 Mpa |
The rolling size of API 5L PSL1 X56 pipeline sheet
| Thickness |
1.2-40mm |
|
Width |
1220-4200mm |
|
Length |
5000-18000mm |
Notes: coil thickness≤25mm
API 5L PSL1 X56 pipeline sheet is the API 5L standard for oil pipeline pipe, which is used for oxygen, water and oil transmission pipes in oil and natural gas industry. API 5L PSL1 X56 pipeline sheet can also be used for engineering infrastructure construction, landscaping of forest park roads, drainage pipes, construction of plant steel hooks and high-voltage power towers.
