阅读说明：本技术 用于制造钢轨的方法和相应的钢轨 (Method for producing a rail and corresponding rail ) 是由 何塞·阿兰孔阿尔瓦雷斯 大卫·阿尔瓦雷斯迭斯 何塞·曼努埃尔·阿蒂梅斯恩西纳 弗朗西斯卡·加西 于 2018-11-27 设计创作，主要内容包括：用于制造钢轨的方法,包括：-铸造钢以获得半成品,所述钢的组成包含0.20％≤C≤0.60％、1.0％≤Si≤2.0％、0.60％≤Mn≤1.60％和0.5≤Cr≤2.2％,任选地0.01％≤Mo≤0.3％、0.01％≤V≤0.30％,剩余部分为铁和杂质；-将所述半成品热轧成具有所述钢轨的形状并且包括头部的热轧半成品,其中最终轧制温度T<Sub>FRT</Sub>高于Ar3；-将所述头部冷却到200℃至520℃的冷却停止温度T<Sub>CS</Sub>,所述头部的随时间的温度在上边界与下边界之间,所述上边界具有由A1(0秒,780℃)、B1(50秒,600℃)和C1(110秒,520℃)限定的坐标,以及所述下边界具有由A2(0秒,675℃)、B2(50秒,510℃)和C2(110秒,300℃)限定的坐标；-将所述头部保持在300℃至520℃的温度范围内持续至少12分钟的保温时间t<Sub>保温</Sub>；以及-将所述热轧半成品冷却至室温以获得所述钢轨。(A method for manufacturing a rail, comprising: casting a steel having a composition comprising 0.20% C.ltoreq.0.60%, 1.0% Si.ltoreq.2.0%, 0.60% Mn.ltoreq.1.60%, and 0.5% Cr.ltoreq.2.2%, optionally 0.01% Mo.ltoreq.03%, V is more than or equal to 0.01% and less than or equal to 0.30%, and the balance is iron and impurities; -hot rolling the semi-finished product into a hot-rolled semi-finished product having the shape of the rail and comprising a head, wherein the final rolling temperature T FRT Above Ar 3; -cooling the head to a cooling stop temperature T of 200 ℃ to 520 ℃ CS The temperature of the head over time is between an upper boundary and a lower boundary, the upper boundary having coordinates defined by A1(0 seconds, 780 ℃), B1(50 seconds, 600 ℃) and C1(110 seconds, 520 ℃), and the lower boundary having coordinates defined by A2(0 seconds, 675 ℃), B2(50 seconds, 510 ℃) and C2(110 seconds, 300 ℃); -keeping the head in a temperature range of 300 ℃ to 520 ℃ for a holding time t of at least 12 minutes Heat preservation (ii) a And-cooling the hot rolled semi-finished product to room temperature to obtain the rail.)