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Rail steel with an excellent combination of wear properties and rolling contact fatigue resistance
Rail steel with an excellent combination of wear properties and rolling contact fatigue resistance
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机译:钢轨钢具有优异的耐磨性和滚动接触疲劳强度
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摘要
A high-strength pearlitic steel rail with an excellent combination of wear properties and rolling contact fatigue resistance wherein the steel has 0.88% to 0.95% carbon, 0.75% to 0.92% silicon, 0.80% to 0.95% manganese, 0.05% to 0.14% vanadium, up to 0.008% nitrogen, up to 0.030% phosphorus, 0.008 to 0.030% sulphur, at most 2.5 ppm hydrogen, at most 0.10% chromium, at most 0.010% aluminium, at most 20 ppm oxygen, the remainder being iron and unavoidable impurities.
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