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["Gewehöleisenbolzen / dickwandiger sechsefelnger Kopfblechbolzen, HG/T 2634 Leistigkeitsstufen-K

2019-06-25View Original

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A193 Gr.B8M CLASS 2 / A194 Gr.8MA193 Gr.B8M CLASS 2 / A194 Gr.8MA上述两组材质组合都可以吗?
Reply #22019-06-25
没问题,只是8MA的最大硬度要比8M的最大硬度小一些而已。
Reply #32019-07-08
本帖最后由 2005180005 于 2019-7-8 17:00 编辑 我以为8MA等级比8M高呢,具体看哪个标准呢?螺母等级最多和螺栓一样,所以想着螺栓用8M,,螺母怎么能用8MA呢??

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