摘要
针对我国及国际国外铁路用热轧钢轨标准的尺寸外形、牌号、成分、残余氢氧氮含量、力学性能、非金属夹杂物、残余应力、表面质量等方面差异作了对比分析。
This article introduced the differences between the china standards and the foreign standards on dimensions and tolerance, grades, chemical contents, residual elements of H, O, N, mechanical properties, non-metallic inclusion, resi,tual stress, surface quality.
出处
《冶金标准化与质量》
2014年第6期1-8,18,共9页
Metallurgical Standardization & Quality
基金
质检公益性行业科研专项项目资助(项目编号:201210203)
关键词
钢
标准
热轧
铁路
钢轨
对比
分析
steel
standard
hot-rolled
rails
railway
comparative
analysis