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China, Chinese Cr6wv Cold Work Tool Steel SKD12 Hot Rolled/Forged Steel Flat Round Bar1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Steel ProductsAlloy SteelTool SteelCold Work Tool Steel
Huangshi Smooth Industry and Trade Co., Ltd
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Product Description Introduction:Cr6WV is a medium alloy cold work mold steel with good comprehensive properties. The steelhas small deformation and good hardenability. It has good wear resistance and certain impacttoughness. Chemical CompositionCSiMnCrWVPS1.00~1.15≤0.40≤0.405.50~7.001.10~1.500.50~0.70≤0.030≤0.030Cr6WV Steel Physical PropertiesCritical temperature of cr6wv steelcritical pointAc1AcmAr1ArmMsMfTemperature (approximate) / oC815845625775150-100Linear expansion coefficient of cr6wv steelTemperature / oC100~250250~350350~600Expansion coefficient / oC - 110.3×10-610.3×10-610.3×10-6Heat TreatmentGeneral annealingThe heating temperature is 830-850 degrees, the furnace is cooled to below 550 degrees,and the furnace is air-cooled. The hardness after annealing is 229HBW.Warm annealing processHeating temperature 830-850 degrees, isothermal temperature 700-720 degrees. Furnacecooling to 550 degrees air cooling, Hardness ≤ 229HBW. Annealing metallographic structureis fine granular pearlite + carbide.Quenched and tempered at low temperature. (960~980 degree oil quenching, 200~300 degree tempering). After tempering, it contains carbides with a mass fraction of about 8% to 10%. Themass fraction of retained austenite is 15% to 20%.The tempering temperature is 150~170 degrees. The hardness is 62~63HRC. The tempering temperature is 190~210 degrees. The hardness is 58~60HRC.Features And ApplicationCr6WV steel has a wide range of uses. Manufacture of molds with high mechanical strength,wear-resistance and shock loads. Such as drill sleeves, cold mold and punches, trimming dies, stamping dies, thread rolling dies, and thread rolling plates.
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