Carbon steel butt welded fittings
1. Size range: 1/2"-24" are made by seamless pipes, above up to 72" are made by welded pipes
2. Thickness: SCH20 SCH40 STD SCH60 SCHXS SCH80 SCH160 SCHXXS etc are available
3. International standards:
American standard: ASTM A234 WPB ANSI B16.9
Germany standard: DIN2605
4. Material: WPB A234, A106, Q235, ST37.2, GB10#, GB20# and alloy steel. Use: Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etc.