... -630mm 2.WT 0.89-24mm 3.Dup Duplex Seamless SS Steel Tube/Pipe UNS 31803/1.4539 1) Grade: TP304 ... . 2) Standards: ASTM A312/A269/A213/SAE 789/ SAE 7903) O.D.: 6-630(NPS: 1/8"-24")4) Thickness: 0 ... /F321,TP316L/316L,317L, 347H, 310S , Duplex S31803, etc.-------------------------------------------------------------------------------------SPECIFICATION: O.D: 6-630 mm W.T:SCH10S,SCH40S,SCH80S,.SCH160S ...