- Butt-Welding Neck Flange
- 2016-10-26 21:30
- Material(Carbon Steel): ASTM A105, 20#Q23516Mn ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2ASTM A694 F42, F46, F48, F50, F52,
- Welded Carbon/Stainless Steel Pipe
- 2016-10-26 12:37
- Welded steel pipe/ ERW steel pipe/ carbon steel pipeDetailed Product Description:1. Standard: ASTM A53/ API 5L/ DIN2440/