... .Commodity310S stainless steel pipe2.Material201,202,301,TP304,304L,304N,304LN, 309S,310S,TP316,316,316L,316Ti,316LN,317,317L,321,347, TP347H ... our products, please feel free to contact me, item 310S Stainless steel pipe(0Cr25Ni20)Chemical positionC≤ Si≤ Mn≤ P≤ S≤ Cr Ni N0 ... .00~24.019~22 .00 schedule 80 20#45# 40cr stainless steel pipe