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The low chromium ball surface is not smooth and the strength is not symmetrical, resulting in a high rate of out of roundness in the whole grinding process;
Domestic mineral processing industry has higher and higher requirements for fine management. Depreciation requires that managers and technicians should have excellent technology and knowledge, which can not be separated from long-term learning.
Hot rolled steel ball and forged steel ball are formed by pressing and forging round steel. Alloy steel is commonly used. It requires high requirements for raw materials. So far, a large number of ball breaking and rounding caused by unqualified raw materials can not be solved
Chromium content ≥ 10.0% and carbon content of 1.80% - 3.20% are all called high chromium balls. The national standard requires that the hardness of high chromium ball (HRC) must be more than 58, and the impact value AK ≥ 3.0j/ / cm 2. If the hardness is high, the high-temperature quenching + tempering treatment must be adopted (at present, there are two quenching methods of oil quenching
High chromium alloy casting ball is a kind of chromium casting ball. Other low chromium casting balls and medium chromium casting balls are distinguished according to the content of chromium.
After 3 months of operation, December 24, 2009, company and Baotou Iron and Steel Group Barun mining limited liability company's technical staff together "Kim" products in the company's west mine 10 million tons / year production open mill acceptance of the choice
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Address: Zhongxi Town, Ningguo City, Anhui Province
Tel: 0563-4674042
Fax: 4674063
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