发布时间:2025-01-21 21:56:19
GCr15 和 GCr15SiMn都是滚动轴承钢。
GCr15是表示平均含铬量为1.5%的滚动轴承钢。
GCr15SiMn是表示除含铬1.5%外,还含有含量小于1.5%的硅、锰元素的滚动轴承钢。
GCr15一般用于直径25~50mm的滚珠。
GCr15SiMn一般用于直径50~100mm的滚珠,和直径大于22mm的滚柱。
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