摘要
3Cr 2 W 8 V钢制造的热锻模,经1 140℃淬火,两次高温回火,低温氮碳共渗的强韧化复合处理后,使用寿命提高了1倍以上。
Hot forging die made of 3Cr2W8V steel, after toughened and strengthened with composite treatment comprising of hardened from 1140℃, twice high temperature drawing and a low temperature carbonitriding will at least double its service life.
出处
《汽车工艺与材料》
1992年第7期1-3,共3页
Automobile Technology & Material