摘要
概述非调质钢的发展，探讨普钢企业开发非调质钢的策略．
This paper summarizes the development of non - hardened and tempered steel, explores the strategies of common steel enterprises developing non - hardened and temp ered steel.
关键词
微合金
非调质钢
开发策略
发展
microalloy
non-hardened and tempered steed
development strategy
