age-harden meaning in English

退火硬化

Standard specification for age - hardening stainless steel forgings
时效硬化的不锈和耐热钢锻件的标准规范
Standard specification for age - hardening alloy steel forgings for pressure vessel components
压力容器部件用时效硬化合金钢锻件的标准规范
Standard specification for hot - rolled and cold - finished age - hardening stainless steel bars and shapes
热轧和冷精轧时效硬化不锈钢棒和型材的标准规范
Standard specification for pressure vessel plates , low - carbon age - hardening nickel - copper - chromium - molybdenum - columbium and nickel - copper - manganese - molybdenum - columbium alloy steel
压力容器用低碳时效硬化的镍铜铬钼铌和镍铜锰钼铌合金钢板的标准规范