微合金非调质钢的发展及其应用

The Development and Application of Minor Alloy Non-Quenched and Non-Tempered Steel

此文较详细的综述了微合金非调质钢的发展及其应用。这种新型结构钢国外始于七十年代,我国八十年代初开始非调质钢的研究。这类钢在生产中省去调质故称非调质钢。锻后空冷力学性能达到调质态性能,切削加工性良好,可焊接,实施表面处理。简化工序,节约能源,降低成本,经济效益显著,有广泛应用前景。

This article descripes minutely the developement and application of the minor alloy non-quenched and non-tempered steel. The foreign has this new type of steel in the seventies. We began to study it in the eighties. This kind of steel isn't quenched in the course of produce. So it is named non-quenched and non-tempered steel. Its air cooled mechanies properties reach the properties in the quenched state. It has good cutting properties and can be welded.be treated on surface. Using the new steel will reduce Working process, save energy and decrease cost. So it has good economic efficiency and extensive prospect of application