... ASTM 5.Quality: good Product High Quality Carbon Seamless Steel Pipe Size1/2"-72"Wall ThicknessSCH5S-SCH160 XS XXS STDStandardANSI,ASME, ... JIS,DIN,GB,BS,APIMaterial Carbon steel,Stainless steel,Alloy steelCarbon steel ASTM A234 WPB,WPC;ASTM A420WPL9,WPL3,WPL6,WPHY ... LOIYDRemarkAlso can supply IBR fittings and Specialized NAME&HIC Fittings Astm A53-b Steel Pipes