摘要
本文综述管线钢的发展状况及生产特点，包括管线钢对冶炼技术的要求、管线钢的控制轧制及微合金元素在控制轧制中的作用，文末介绍了几种典型的控轧工艺．
The paper summerizes the devolopment and features in the production of steel forthe pipeline, including requirements of the steel on metallurgical techniques,controlled rollingof the steel and the role of minor alloy elements played in the controlled rolling.Some typicalrolling processes are introduced in the final part of the paper.
关键词
管线用钢
化学成分
熔炼
轧制
steel for pipeline
composition design
metallurgical technique
controlled rolling
controlled cooling
