- Butt welding fittings, made of carbon steel
- 2017-11-26 16:26
- Model Number: pipe fittings-012 Key Specifications/Special Features: Standards of butt welding fittings: ANSI B 16.9, ANSI B 16.28, MSS SP-43, MSS SP-75Materials of butt welding fittings:Carbon Steel ASTM A234 WPB, WPC; ASTM A420 WPL1,WPL3, ...