ERW steel pipe
ERW stands for resistance welding, which has the characteristics of high production efficiency, low cost, material saving and easy automation. It is widely used in various industrial sectors such as aviation, aerospace, energy, electronics, automobile, light industry, etc. It is one of the important welding processes.
Standard | Type of pipe | Class | Grade | C max | Si max | Mn max | P max | S max | V max | Nb max | Ti max |
API SPEC 5L /ISO 3183 | WELD | PSL1 | 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 | - | - | |||
PSL2 | L245M/GR.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 | - | - | - |