According to the announcement of the Ministry of Industry and Information Technology of the People's Republic of China (Engineering [2010] No. 82), the new standard for rolling bearing carbide balls (JB/T 9145-2010) will be officially implemented on July 1, 2010. Revised on the basis of the original standard JB/T 9145-1999, the new standard specifies the size, technical requirements, measurement and inspection methods, inspection rules, marking, rust-proof packaging and storage of cemented carbide balls. Applicable to the manufacture, inspection and acceptance of commercial carbide balls.
Perforated Screen,Wire Screen,Galvanized Perforated Metal
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