Name | Brand | Specifications | Executive standard | Chemical composition analysis (melting composition)% | Performance characteristics | Purpose | |||||
C | Si | Mn | P ≤ | S ≤ | Cr | ||||||
Hot rolled wire rod for bearing steel | GCr15 | F5.5-20 | GB/T 18254 | 0.95-1.05 | 0.15-0.35 | 0.25-0.45 | 0.025 | 0.020 | 1.40-1.65 |
The metallographic structure and surface defects are higher than the relevant requirements of national standards. The steel has high purity, high dimensional accuracy and excellent fatigue resistance.
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For bearings and ball parts
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