... " - 72"3) Material: Carbon Steel, Stainless Steel, Alloy Steel, Duplexsuper duplex stainless steelASTM: Carbon Steel: ASTM A234 WPB, WPC; ASTM ... 1.0488, 1.0566JIS:Carbon Steel: PG370, PT410, SS400Stainless Steel: SUS304, SUS304L, SUS316, SUS316L, SUS321Alloy Steel: PA22, PA23,PA24, PA25, ... S31803, UNS S32750, UNS S32760 STANDARDSANSI, ISO, JIS, DIN, BS,GB, SH, HG,QOST,ETC.certification:ISO9001:2008 ...