论文部分内容阅读
在大多数合金元素日益短缺和昂贵的情况下，提高钢制件质量的最有效的途径是依靠采用新的热处理工艺来实现碳素钢和低合金钢的最大使用可能性。在用大量金属来制造零件，譬如铁路运输用的大批量零件（机车车辆用零件和线路上部建筑用零件）时，这一点特别重要。碳素钢和低合金
As most alloying elements become increasingly scarce and expensive, the most effective way to improve the quality of the steel parts is to rely on the new heat treatment process to achieve the maximum possible use of carbon steel and low alloy steel. This is especially important when using large quantities of metal to make parts such as high volume parts for rail transport (parts for rolling stock and construction parts for the upper part of the line). Carbon steel and low alloy