China con carbon steel concentric pipe reducer Pipe reducers come into concentric reducers and eccentric reducers. They are made of carbon steel,alloy steel,stainless steel,low temperature steel or high performance steel,etc., and are characterized of high strength,good toughness,and high resistance to corrosion,shock,and vibration. Size: seamless size: 1/2\"~24\"DN15~DN600,welding size: 4\"~78\" DN150~DN1900 Types: Concentric , eccentric Wall Thickness: sch10, sch20, sch30, std, sch40, sch60, xs, sch80, sch100, sch120, sch140, sch160, xxs, sch5s, sch20s, sch40s, sch80s Manufacturing standard: ANSI, JIS, DIN, EN, API 5L, etc. End Bevel: According to the bevel of welding pipe fittings construction Surface treatment: Shot blasted, rust-proof black oil. Packing: plywood case or pallet. Application Areas: .Gas Plants .Power Plants .Chemical Plants .Petroleum Industry .Metallurgy Industry .Ship-building Industry .Construction Industry