As a grinding ball buyers, how can we buy the suitable grinding balls?
1) The hardness of the steel ball is not the higher the better. If the hardness is too high, the steel ball is easy to break, which increases the cost. In general, it is best to control the hardness of the steel ball between 58-65 HRC. It's wear-resistant, but not too brittle.
2) The choice of steel ball material is very key, high chromium steel ball has good wear resistance, which is suitable for high hardness materials. Medium chromium, low chromium steel ball cost-effective, which are suitable for general conditions. The forged steel ball has good toughness and is suitable for the environment with high impact force such as semi-autogenous grinding. Select the right material, the grinding efficiency of the ball mill is directly doubled.
3) The use environment is also important. Wet grinding and dry grinding have completely different requirements for steel balls. Wet grinding should pay attention to corrosion resistance. Steel mills focus on more abrasive of grinding balls.
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