... requirment 4certificate:B hot rolled 304 Stainless Steel tube 1.Commodity 304 stainless steel tube 2.Material201,202,301,TP304,304L,304N,304LN ... , TP347H,etc3.StandardASTM,JIN,DIN,AISI,SUS,GB,EN,etc.4.Outer DiameterDN10~DN1200, 3/8"~100",6mm-2500mm or as ... )Chemical positionC≤ Si≤ Mn≤ P≤ S≤ Cr Ni N0.080 1.00 2.00 0.045 0.03 22.00~24 ...