201 Stainless steel tube OD:6-127mm Thickness:0.3-3mm Standard:ASTM A554 A249 A269 A270 Stainless steel Stainless steel round tubes Grade: 201, 202, 304, 304L, 316 and 316L Standard: ASTM A554Surface finish: mill finish, 180G, 240G, 400G and 600GOutside diameter:6.0-127.0mmWall thickness: 0.3-3.0mmCompetitive price.Can provide different kinds of types as per custome's needs.