1) Grade: 304, 316L, 321H, 317L, 347H, 310S, 2205, 2507, 904L 2) OD: 6mm-830mm 3) WT: 1mm-40mm 4) Length: 6m or others Stainless Steel Pipe StandardASTM A688,A249,A554,DIN 17455,EN10217-7Material304,304L,316,316L,317L,409,430,439 etc.Outside Diameter6mm~830mmWall Thickness1mm~40mmLength6m or as per customer’s requestSurfaceBright anneal,Mirror polish,Satin finish,Mill finish