本发明提供一种耐腐蚀高强韧耐磨贝氏体钢轨及其生产方法,该钢轨成分按重量百分比计如下：C：0.10％～0.35％,Si：1.00％～2.00％,Mn：1.00％～2.00％,P：≤0.025,S：≤0.015,Cr：0.50％～1.50％,Cu：0.20％～0.60％,Ni：0.10％～0.50％,B：0.0008％～0.0025％,Nb：0.02％～0.15％,Sb：0.02％～0.30％,余量为Fe和不可避免杂质。生产方法：冶炼#精炼#连铸#连铸坯加热#初轧#万能轧制#缓冷；钢轨抗拉强度≥1390MPa,屈服强度≥1200MPa,延伸率≥12.5％,常温冲击功AKU2≥70J,耐蚀性能良好。

The invention provides a corrosion-resistant, high strength, toughness and wear-resistant bainite rail and a production method thereof. The composition of the rail is as follows according to the weight percentage: C: 0.10% ~ 0.35%, Si: 1.00% ~ 2.00%, Mn: 1.00% ~ 2.00%, P: ≤ 0.025, s: ≤ 0.015, Cr: 0.50% ~ 1.50%, Cu: 0.20% ~ 0.60%, Ni: 0.10% ~ 0.50%, B: 0.0008% ~ 0.0025%, Nb: 0.02% ~ 0.15%, Sb: 0.02% ~ 0.30%, and the remaining is Fe and inevitable impurities. Production method: smelting # refining # continuous casting # continuous casting billet heating # blooming # universal rolling # slow cooling; Rail tensile strength ≥ 1390mpa, yield strength ≥ 1200Mpa, elongation ≥ 12.5%, normal temperature impact energy aku2 ≥ 70j, good corrosion resistance.