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ASTM A2008 Rail steel is usually used for railway fixed on the sleeper, sleeper for ballast. It is fastened by rail support, fastener, rail press, track splint, elastic bar, railway spike and other railway accessories. The bottom of the track is the track bed, which provides elasticity and drainage function for the track. Rails can also be laid on bases made of concrete, or even embedded in concrete. In order to withstand the pressure, impact load and friction of train operation, it requires sufficient strength and certain toughness. Quality requirements are strict, in addition to the guarantee of its chemical composition, but also require the inspection of mechanical properties, drop weight test and acid leaching of low-power tissue.
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Steel coil, also known as coil steel. The steel is rolled by hot pressing and cold pressing. In order to facilitate storage and transportation, convenient for various processing (such as processing into steel plate, steel belt, etc.).
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Hot rolled steel coil is a steel product produced from hot rolled steel strip. Hot rolled steel strip is made of high quality steel processed by hot rolling mill. Hot rolled steel coil is used in a variety of applications including: automotive parts, building materials, shipbuilding, pressure vessels, pipes and tubes, machinery parts, hot rolled steel coil has many benefits, it has a high strength to weight ratio, high corrosion and wear resistance, ideal for use in pressure vessels and piping systems; Its excellent weldability and formability make it suitable for various manufacturing processes.
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Cold rolled roll is hot rolled roll as raw material, at room temperature under the recrystallization temperature of rolling, including plate and roll, which is called steel plate, also called box plate or plate: long length, roll delivery is called steel strip, also called roll plate; The thickness above 0.15mm is called plate, and the thickness below 0.15mm is called foil.
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Galvanized coil is a thin steel plate with Q235 as the base material dipped into a melted zinc groove, so that its surface is adhered to a layer of zinc. It is mainly produced by continuous galvanizing process, that is, the rolled steel plate is continuously dipped in the melting zinc bath to make galvanized steel coil.
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Galvanized steel strip is cold rolled or hot rolled, long and narrow steel plate coated with a layer of raw materials called (zinc, aluminum). Hot dip galvanizing has the advantages of uniform coating, strong adhesion and long service life. Complex physical and chemical reactions occur between the matrix of hot-dip galvanized strip steel and the molten bath to form a compact zinc-iron alloy layer with corrosion resistance. The alloy layer is integrated with the pure zinc layer and strip steel matrix. Therefore, its corrosion resistance is strong.
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