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/T9145-2010) will be officially implemented on July 1, 2010.
The standard is revised on the basis of the original standard JB/T9145-1999. 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.
The standard is revised on the basis of the original standard JB/T9145-1999. 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.
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