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SPCC is commonly used cold rolled carbon steel sheet and steel strip.Cold coil is made of hot rolled coil at room temperature and below the recrystallization temperature, including plate and coil, of which the sheet delivered is called steel plate, also known as box plate or plate; the long length and delivered in coil is called steel strip, also known as coil plate.
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Hot-rolled products have excellent properties such as high strength, good toughness, easy processing and shaping, and good weldability. Therefore, they are widely used in manufacturing industries such as construction, machinery, boilers, and pressure vessels.
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Compared with cold-rolled steel plate manufacturing process is simpler, the cost is also cheaper, but foreign experience believes that hot rolling method is only suitable for the manufacture of steel plate thick more than 1.6 mm, for thinner steel plate is not economical, hot-rolled steel plate surface quality and dimensional accuracy are not as good as cold-rolled steel plate, hot rolled steel plate on the car, in addition to frame stringers, beams and various brackets, but also stamping wheel rims, wheel discs, etc. that require a certain strength, as well as shell covers with little force and surface requirements are not too high. The former is a thick 3-5 mm steel plate, the latter is used in medium plates and thin plates, and the use of hot-rolled plates on automobiles is mostly thick plates. In the standard for hot SLSN plates for automobiles formulated by the Japan Automobile Association, SAPH class is used as a vehicle beam and wheel, and SPH class is a hot-rolled mild steel plate for manufacturing unstressed shells.
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S235JR-S355JR Series Cold-rolled steel plate
Cold-rolled steel plate is used for parts forming parts that require a large degree of plastic deformation of the material, and there must be no wrinkles, cracks, etc. on the surface. For different parts, different grades of steel plates are used. For example, the standard of Japanese automotive steel plate is divided into three categories, the first type (SPCC) is ordinary cold-rolled steel plate, usually boiling steel rolled, the second class (SPCD) is rolled steel plate, and the third type (SPCE or SPCEN) is cold-rolled steel plate for deep drawing
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Compared with cold-rolled steel plate manufacturing process is simpler, the cost is also cheaper, but foreign experience believes that hot rolling method is only suitable for the manufacture of steel plate thick more than 1.6 mm, for thinner steel plate is not economical, hot-rolled steel plate surface quality and dimensional accuracy are not as good as cold-rolled steel plate, hot rolled steel plate on the car, in addition to frame stringers, beams and various brackets, but also stamping wheel rims, wheel discs, etc. that require a certain strength, as well as shell covers with little force and surface requirements are not too high. The former is a thick 3-5 mm steel plate, the latter is used in medium plates and thin plates, and the use of hot-rolled plates on automobiles is mostly thick plates. In the standard for hot SLSN plates for automobiles formulated by the Japan Automobile Association, SAPH class is used as a vehicle beam and wheel, and SPH class is a hot-rolled mild steel plate for manufacturing unstressed shells.
Learn More
Hot-rolled products have excellent properties such as high strength, good toughness, easy processing and shaping, and good weldability. Therefore, they are widely used in manufacturing industries such as construction, machinery, boilers, and pressure vessels.
Learn More
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