... 310 stainless steel pipe 1.Standard: ASTM, JIS, DIN, EN. 2.OD: 6-530mm 3.TK:0.8-28mm 4.Surface:Polished, frosting 310 stainless steel ... G3463, JIS G3448, DIN17458 4) Steel grade: 201.202.301.304.304L.310S.316.316L. 321. 347H. 430 and etc. 5 ... steel pipeWelded steel pipeSurface treatmentPolishing or notThe stainless steel barstandardASTM,GBmaterial201,202,301,304,316,316L,316LN,317,317L,309,309S,310, ...