... ,GB,SUS 3.Grade:TP304/L TP/316LTP321 904L TP310/S,S31803,S32750,600,601,690 Commodity: Stainless Steel Seamless Pipe1 ... -81,9940-81JIS 34594.material:Austenitic S.S. TP304/L TP316/L TP321/H,TP310/S, S34700 S31703.Duplex S.S. S31803/2205, S32570/25075.Surface ...