Stainless steel seamless tube pipe Out diameter:6mm-750mm Wall thickness:0.3-75mm Stainless steel is a production which not easy rust,acid resistance and ... ,304,304L, 316, 316L,317, 317L,321,409L, 904L, 410, 430,4Cr13. Steel pipematerialGB10#,20#,45#,20G.16Mn,27SiMn,15CrMoG,12Cr1MoU,20CrMo ...