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The definition of Gcr15 bearing steel ball and its characteristics Aug 20, 2018

Gcr15 bearing steel balls are subjected to extreme pressure and friction during operation, so bearing steels are required to have high and uniform hardness and wear resistance, as well as high elastic limit. The uniformity of the chemical composition of the bearing steel, the content and distribution of non-metallic inclusions, and the distribution of carbides are all very strict.

 

The carbon-containing Wc in the Gcr15 bearing steel ball is about 1%, and the chromium content Wcr is 0.5%-1.65%. At the same time, it is magnetic, ferritic steel, oily packaging, hardness can reach HRC62-65 degrees, and its material resistance The wearability is good, and the precision after cold working into a steel ball can reach one ten thousandth.

 

At the same time, Gcr15 bearing steel ball also has strong corrosion resistance, is not easy to slip, high hardness, strong wear resistance, low roughness, and will not wear the ball seat. It is widely used in high speed and low noise bearings, bicycles and motorcycles. , cars, rails, universal ball, luggage, electronics industry, can also be used to grind other media, can also be used in seals, high-precision aerospace, military and other fields.

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