Structural steel 30CrMoA round - Wuxi factory direct Spot

Chrome molybdenum alloy steel, this steel is an alloy of 30 means that the carbon content. 10.9S 8.8S used to make high strength bolts, but must go through laboratory tests before use, confirm its ingredients, only You can be assured. Chinese brands 30CrMO Japanese equivalent SCM430 edit this steel is often used in the quenched state, when the carbon content of the steel can also be used as the lower limit higher core hardness of hardened steel. In the medium-sized machinery manufacturing industry is mainly used to produce large cross-section, work under high stress conditions of quenched and tempered parts such as shafts, spindles and steering wheel by high load, bolts, studs and gears; in the chemical industry used to manufacture welded parts, welded structures composed of plates and tubes containing hydrogen and nitrogen and temperature in media work no more than 250 ℃ high-pressure pipe; and for the manufacture of fasteners below 450 ℃ work in the steam turbine, boiler manufacturing, ? below 500 ℃ by the pressure flange and nut, especially for manufacturing 300 atmospheres, conduit or less 400 ℃ working in this [the first Special Steel Co., Ltd. in Wuxi City] guarantee: Where the purchase of materials from our 100% guarantee . genuine original, along with the material corresponding to the material book ☆ "in the first Special Steel Co., Ltd. in Wuxi City" ☆ the first steel advantages and services: Miho services: to ensure that the material to ensure that shipments to ensure that goods to time. The credibility of the authoritative quality is extremely heavy.