标准号:SAE AMS 5710E-1987
中文标准名称:耐腐蚀和耐热钢棒和锻件20Cr 2.2Si 1.3Ni (0.76-0.86C)
英文标准名称:Steel Bars and Forgings, Corrosion and Heat Resistant 20Cr 2.2Si 1.3Ni (0.76-0.86C)
标准类型:H40
发布日期:1987/1/1 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:H40
国际标准分类号:49.025.10
适用范围:This specification covers a corrosion and hest resistant steel in the form of bars,forgings,and forging stock,Primarily for parts,such as intake valves and valve seat inserts,requiring strength to 1000℉(540℃),oxidation resistance to 1800℉(980℃),and resistance to attack by lead compounds to 1600℉(870℃).