摘要
电渣重熔20Mn1A钢中含有微量铝,可明显细化奥氏体晶粒,使钢在正火后获得均匀细小的铁素体加珠光体组织,从而显著地提高了钢的低温冲击韧性。
The micro-aluminium in Electro-Slag Remelting (ESR) steel 20Mn1A is available to refine tile austenite grain, get the fine ferrite and the pearlite structure in steel normalized and increase the impact toughness of steeel.
出处
《特殊钢》
北大核心
1998年第5期21-23,共3页
Special Steel
关键词
电渣重熔
微合金化
铝
炼钢
Electro-Slag Remelting
Microalloying
Aluminium