Which is better between cast steel ball and forged (hot rolled)steel ball? Mostly companies used cast steel ball in the world now. (1) Rough surface: the sprue gate is easy to suffer the flattop in use process, causing the deformation and out of roundness, thus affecting the grinding

SCD80S skew rolling mill in Mexico. This SCD80S skew rolling machine is installed in Mexico. Which can produce 2 inch, 2.5 inch and 3 inch grinding steel balls for mine. Its productivity is as following: 1, 2 inch: 105 steel balls/min 2, 2.5 inch: 70 steel balls/min 3, 3 inch: 36 stee

What the skew rolling mill advantage: 1. Hot skew forged grinding ball has high hardness: surface hardness to 58-65HRC, volume hardness of 57-64HRC 2. Impact toughness high: impact toughness more than 12J-35J / cm2. 3. Broken rate is low: the actual broken rate is not higher than 0.5%