... .WT 0.89-24mm 3.Dup Duplex Seamless SS Steel Tube/Pipe UNS 31803/1.4539 1) Grade: TP304/TP304L/TP316L ... (SAF2507), S32760Nikel AlloysMonel 400, Inconel 600, Inconel 625, Incoloy 800/H/T, Incoloy 825Special MetarialCustom produced per your requirements.SpecificationASTM/ASME A312 ... ApprovalsBV, DNV, LR,GL,ABS, NK, KR, CCS. Stainless steel tube: Features:STANDARDS: AISI,ASTM,DIN,JIS,GB,GOST,ENGRADE :201 ...