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Jiangyin Dongbang Steel Ball Machinery Co., ltd. Is one of those who can offer whole designs of hot rolled steel ball production line, including the design of factory area, water, electric, machines, etc. 

Jiangyin Dongbang Steel ball Machinery Co., Ltd is a manufacturer of hot-rolled steel ball by national standards. The annual output of grinding balls is 60000 Tons. Our company choose the high quality special steel as a raw material, it fundamentally improves the quality of steel balls. 

Ball hot rolling process is a new technology it is the technical breakthrough of steel ball manufacturing process. And it is replacing casting steel ball and forging steel ball gradually. Parameters of hot rolled steel ball: 

1. The overall high hardness: Surface hardness of 57-68HRC, volume hardness of 56-65 HRC, and the hardness gradient distribute evenly. 

2. High impact toughness: More than 12 J/CM2 

3. Low broken rate: Anti-broken and anti-broken off performance is 10 times of general casting steel ball, balls impact times over 20, 000 times, the actual broken rate is less then 1%, close to no broken.