摘要
耐冲击模具钢Ｓ７ 扁钢的开发与研制不仅在国内属于首创， 而且开辟了国际市场。本文主要对其冶炼、轧制、退火工艺进行了分析研究。
S7 is resist impact die steel,the development of its flat is first in our country and it has tapped the international market This paper has studied its process of melting, rolling and annealing
出处
《山西机械》
1999年第4期33-34,38,共3页
Shaanxi Machinery
