Description.: Seamless stainless steel pipeSize,Outer Dia.: 6mm - 530mmThickness: 1.0mm - 40mmMaterial: 304,304L,321,316,316L,347H,310S,904L,800H,S31803.Standard,1.ASTM : A213,A269,A270,A271,A312,A312M,A511,A651.2.DIN :17456, 17458.3.JIS : G3446,G3447,G3448,G3459,G3463,G3467.