... 6-630mm 2.WT 0.89-24mm 3.Dup Astm A790 Duplex Seamless Stainless Steel Tube/Pipe/Pipes UNS 31803/S32750 1) Grade ... TPXM-19Duplex/Super Duplex SteelS31803(SAF2205), S32750(SAF2507), S32760Nikel AlloysMonel 400, Inconel 600, Inconel 625, Incoloy 800/H/T, Incoloy 825Special ... ApprovalsBV, DNV, LR,GL,ABS, NK, KR, CCS. Stainless steel tube: Features:STANDARDS: AISI,ASTM,DIN,JIS,GB,GOST,ENGRADE :201,301,304 ...