heavy-rail steel

基本解释

The production status of rail steel and smelting technology of heavy-rail steel in China are summarized.
本文对我国钢轨钢的生产情况及重轨钢的冶炼技术做了综合论述。
A bloom continuous Casting machine main cast quality steel and alloy steel, such as heavy rail steel, hard-line steel, spring steel, bearing steel, alloy structural steel, and other key species.
大方坯连铸机主要浇铸优质钢和合金钢，如重轨钢、硬线钢、弹簧钢、轴承钢、合金结构钢等重点品种。
Via vacuum induction furnace and metallographical analysis, the effects of RE on the grain size of the austenite and distance of the pearlite laminae of high-carbon steel for heavy rail were studied.
通过真空感应炉模拟实验，结合金相分析，研究稀土对于高碳重轨钢奥氏体晶粒尺寸和珠光体片层间距等的影响作用。
blog.china.alibaba.com

重轨
Heavy rail steel is the key materials;the performance will directly affect the safety of transport.
重轨钢是铁路上的重要物资,其性能的好坏将直接影响运输的安全。