| Name | Brand | Specifications | Executive standard | Chemical composition analysis (melting composition)% | Performance characteristics | Purpose | |||||
| C | Si | Mn | P ≤ | S ≤ | Cr | ||||||
| High carbon chromium bearing steel | GCr15 | Φ18~65 | GB/T 18254 | 0.95-1.05 | 0.15-0.35 | 0.25-0.45 | 0.025 | 0.020 | 1.40-1.65 | It has high and uniform hardness, good wear resistance and high contact fatigue life, and good cold and hot processing performance | It can be used to make bearing rings, rolling elements with a wide range of dimensions, as well as molds, measuring tools and other parts requiring high wear resistance and contact fatigue strength |
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