Grade available: 304,304L,304H,316/316L,316Ti,317,317L,321,321H,309S, 310,310S,347,347H,904L, Duplex steel S31803(2205),S32750(2507), Inconel600, 625, Incoloy800/800H, 825,etc. Size available: out diameter from 1/4" to 4", thickness from 0.035" to 0.1" Size available: diameter from 6mm to 101mm, thickness from 1mm to 2.5 mm Finish: annealing+ pickling,cold drawing,cold rolled, polishing,mirror, hairline, etc. Specification: ASTM A312, A269, A554, A213, A249,and JIS, DIN, EN, ISO, GOST, etc. Application: widely applied in petroleum industry, chemical engineering, medical appliance, aerospace industry, paper-making industry, food and beverage industry, shipbuilding industry, boiler, heat exchanger, condenser, pressure vessel, water conservancy and environmental protection, etc.