... 0, St35.8, St45.8Stainless Steel: 1.4301, 1.4306, 1.4401, 1.4571Alloy Steel: 1.7335, 1.7380, 1.0488, 1.0566JIS:Carbon Steel: PG370, PT410, SS400Stainless ... )ScheduleSCH STD, XS, XXS, SCH 10 ~ SCH 160Material Code:1 CARBON STEELASTM A234 WPB, WPC; ASTM A420 WPL9, WPL3, WPL6 ... A 815 UNS S31803, UNS S32750, UNS S32760 STANDARDSANSI, ISO, JIS, DIN, BS,GB, SH, HG,QOST,ETC.certification:ISO9001:2008 , API ...