Material:Chrome Steel Stainless GCr15 

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GCr15 is a kind of high carbon and chromium bearing steel, which belongs to the representative steel of high carbon and high chromium bearing steel. The chromium content in its chemical composition accounts for 15% of the total, hence the name GCr15.This steel has high hardenability, and the hardness can reach HRC62-66℃ after heat treatment, with high strength, high wear resistance, good stability and corrosion resistance.The comprehensive performance of GCr15 steel is good, especially after quenching and tempering, its hardness is high and uniform, and its wear resistance and contact fatigue resistance are high. In addition, GCr15 steel has good hot workability and good machinability after spheroidal annealing, although it is sensitive to the formation of white spots, and cold deformation plasticity is medium, cutting performance is average, welding performance is poor, and there is temper brittleness.The executive standard of GCr15 steel is GB/T 18254-2016, and it is widely used in the manufacture of internal combustion engines, electric locomotives, machine tools, tractors, rolling mill equipment, drilling machines, Railway vehicles and mining machinery and other transmission shafts on the steel ball, roller and bushings and other components