115CrV3对应国标是什么牌号?
问题描述:
115CrV3对应国标是什么牌号?
答
材料牌号:115CrV3 数字代号:1.2210 标准:DIN 17350 (1980) Tool Steels; Technical Conditions of Delivery国家与地区:Germany 钢组:Tool steels Application:Twist drills and taps,reamers,countersinks,scrapi...