... ,316L OD :6~429mm wall thickness :1~8mm stainless steel round tube 304Grade :201 202 304 304JI 321 316L 310SStanard : AISI ... *2, Φ22*3, Φ25*2.5, Φ27*3, Φ32*3, Φ34*3, Φ38*3, Φ42*3, Φ45*3, Φ48*3, Φ51 ... pipe end, anyway according to customers' requirment. 304 stainless steel round tube