1.Material:stainless steel 2.Standards:ASTM,JIS,DIN,GB,SUS 3.Grade:TP304/L TP/316LTP321 904L TP310/S,S31803,S32750,600,601,690 Commodity: Stainless Steel Seamless Pipe1.Outer diameter:6mm-830mm.2Wall thickness:0.5mm-40mm.3standard:ASTM A312, A312, A269, A270, A789,A790, B165,B167, B407,B423DIN17458EN10216-5GOST 9941-81,9940-81JIS 34594.material:Austenitic S.S. TP304/L TP316/L TP321/H,TP310/S, ...