Description 1) Material: A234 WPB, A420, A234WP5, Mss SP75 etc. 2) Standard: ASME/ANSI B16.9, DIN, JIS 3) Size: Seamless 1/2"-24" Welded 26"-72" 4) Pressure: SCH10-SCH160 5) Special design available Application Petroleum, gas, chemical, metallurgy, electric station, shipbuilding, construction, etc.
