1.Product: High Quality Carbon Seamless Steel Pipe 2.Size:1/2"-72" 3.Thicknss: ... STDStandardANSI,ASME,JIS,DIN,GB,BS,APIMaterial Carbon steel,Stainless steel,Alloy steelCarbon steel ASTM A234 WPB,WPC;ASTM A420WPL9,WPL3,WPL6, ... WPHY-60,WPHY-65,WPHY-70 Stainless steel ASTM A403 WP304/304L,WP316/WP316L Alloy steel ASTM A234 WP11,WP12,WP22, ... fittings and Specialized NAME&HIC Fittings Astm A53-b Steel Pipes