高碳铬轴承钢标准述评

COMMENT ON THE STANDARDS OF HIGH CARBON CHROMIUM BEARING STEELS

对高碳铬轴承钢标准YJZ84进行述评,YJZ84属于国际一般水平,主要技术指标要求与其他国家标准大体相当,在化学成分要求方面则需要加以改进。

Comment on YJZ84 the standard of high carbon chromium bearing steels.YJZ84 belongs to common level in the world.The main technical requires of YJZ84 are similar to the standards of other countries.The require for chemical composition needs to imporve.