Steel grade 300 series Standard: ASTM A213,A312,ASTM A269,ASTM A778,ASTM A789,DIN 17456, DIN17457,DIN 17459,JIS G3459,JIS G3463,GOST9941,EN10216, BS3605, Material:304,304L,309S,310S,316,316Ti,317,317L,321,347,347H,304N,316L, 316N,201,202 Surface:Polishing,annealing,pickling,bright Type:hot rolled and cold rolled stainless steel round pipe/tube Size: Wall thickness:1mm-150mm(SCH10-XXS) Outer diameter:6mm-2500mm (3/8"-100")