... WT 0.89-24mm 3.Dup Astm A790 Duplex Seamless Stainless Steel Tube/Pipe/Pipes UNS 31803/S32750 1) Grade: TP304/ ... , 317Mod, 321, 321H, 309S, 309H, 310S, 310H, 347H, S31254, 904L, TPXM-19Duplex/Super Duplex SteelS31803(SAF2205), S32750(SAF2507), S32760Nikel AlloysMonel ... Society ApprovalsBV, DNV, LR,GL,ABS, NK, KR, CCS. Stainless steel tube: Features:STANDARDS: AISI,ASTM,DIN,JIS,GB,GOST,ENGRADE :201 ...