gcr15simn craftsman spindle bearings
High carbon chromium bearing steel GCr15 and . 2017-7-6 · High-carbon chromium bearing steel is widely used in the world, the most commonly used types are GCr15 and GCr15SiMn, accounted for about 80% of the total amount of bearing steel in China, the performance of the two kinds of steel is basically the same, but the quenching permeability of GCr15SiMn is better than GCr15, …
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