Seamless or welded stainless steel pipe Material:201,202,301,304,304L etc. O.D.:6~830mm Thickness:0.5- ... ~10metc Seamless or welded stainless steel pipe1.Material:201, 202, 301(1Cr17Ni17) , 304(0Cr18Ni9) ,304L(00Cr19Ni10) ,321(1Cr18Ni9Ti), TP316l(0Cr17Ni12Mo2) ,316L ...