标准号:BS S 156-1976
中文标准名称:4%镍-铬-钼表面硬化钢(真空电弧重熔)坯、棒材、锻件及零件规范(1320-1520MPa)
英文标准名称:Specification for 4% nickel-chromium-molybdenum case-hardening steel (vacuum arc remelted) billets, bars, forgings and parts (1320-1520 MPa)
标准类型:H40
发布日期:1976/6/30 12:00:00
实施日期:1976/6/30 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:British Standard Aerospace Series : Specification for
4% nickel-chromium-molybdenum case-hardening steel (vacuum arc remelted) billets, bars, forgings and parts (1320-1520 MPa)
1. Inspection and testing procedure
2. Manufacture
3. Chemical composition
4. Surface dressing
5. Condition
6. Heat treatment
7. Mechanical properties