Beijing4cr13h mould steel

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Steel for refrigeration moulds should have high hardness, strength, wear resistance, sufficient toughness, high quenchability, quenchability and other process properties and be used according to the working conditions of the tools it manufactures. Alloy tool steels for die steel applications are generally high carbon alloy steels with a mass fraction of carbon exceeding 0.80% and chromium is an important alloying element of the steel, the mass fraction of which generally does not exceed 5%. However, for some high wear resistance requirements, quenching and deformation of very small die steel, the highest chromium mass fraction of up to 13%, in order to form a large number of carbide, the carbon mass fraction is also high, up to 2.0% ~ 2.3%. Cold processing of domestic hot work die steel with high carbon content, the organization of analysis steel and Leyland steel. Common steel grades are high carbon low alloy steel, high carbon high chromium steel, chromium molybdenum steel, chromium tungsten silver, etc.. There are mainly hammer forging, die forging, extrusion and die casting several types of hot rolling dies, including hot forging dies, stamping dies, stamping dies, hot extrusion dies and metal dies.