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The main purpose and service life of GCr15 bearing steel ball Sep 26, 2018

The quality of smelting of GCr15 bearing steel ball is very high. To a certain extent, the mountain needs to strictly control the content and distribution of sulfur, phosphorus and non-metallic inclusions, because the content and distribution of non-metallic inclusions have a great influence on the service life of bearing steel. . The basic quality requirements for bearing steel are pure and uniform. Pureness means less impurity elements and non-metallic impurities. The uniformity of the structure is that the carbides in the steel should be fine and evenly distributed.

 

The higher the amount of inclusions in GCr15 bearing steel ball, the shorter the life expectancy. In order to improve the quality of smelting during operation, it has recently been smelted by electric furnace and remelted by electroslag. Vacuum smelting and vacuum consumable refining can also be used. Wait for new processes to improve the quality of bearing steel.

 

The main purpose of GCr15 bearing steel ball

In addition to balls, bearing rings, etc., it is sometimes used to make tools such as dies and gauges. GCr15 bearing steel is a kind of high carbon chromium bearing steel with less alloy content, good performance and wide application. After quenching and tempering, it has high and uniform hardness, good wear resistance and high contact fatigue performance.

 

Good comprehensive performance. Good spheroidal annealing performance. Good hardness and uniformity after quenching and tempering, high wear resistance and contact fatigue strength. Good thermal processing performance. Contains less alloying elements and is cheaper.

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