1.GB/T 12459, ASME B36.19 carbon steel pipe fittings 2. ... " 3.Carbon/Stainless/Alloy Steel 4.ISO CE 5.competitive GB/T 12459, ASME B36.19 carbon steel pipe fittingsSize: 1 ... 2000Thickness: SCH20-SCH160/STD/SGP/XS/XXSStandard: ASME,DIN,JIS,GB,BSMaterial: Carbon Steel(Sema/Seamless), stainless steel, alloy steelCorporation Location ...