| Standard |
ASTM |
| Place of Origin |
Hebei China (Mainland) |
| Technique |
ERW |
| Alloy Or Not |
Is Alloy |
material: carbon steel material, alloy steel. standard: api 5l, api 5ct, astm a106 and so on. kind of welding: seamless, erw welding, lsaw welding , sprial welding and so on. Diameter: 8"+