1.Item:A312 TP310S stainless steel tube 2.OD:DN10-DN1200(6-2500mm) 3.WT:SCH5- ... -150mm) 4.Length:5.8m,6m,or as requir Item310S stainless steel tube /pipeStandard ASTMA312,A213,A376,A789,A790,A376,A249,EN10217 ... ,or as required Chemical compositionC≤0.08,Mn≤2.00,Si≤0.75,P≤0.045,S≤0.030, Cr:24 ... any question,please feel free to contact me . Bright annealing stainless steel tubes for heat exchangers