钢的热处理工序包括硬化、回火、退火和表面硬化。
The procedures of heat treatment of steel include hardening tempering annealing and case hardening.
通过高温抗氧化、盐雾腐蚀和应力腐蚀试验研究了07X16H6沉淀硬化不锈钢在使用状态（回火态）时的耐蚀性能。
The corrosion resistance of 07X16H6 precipitation hardening stainless steel in tempered state was studied using high temperature oxidation, salt-spray test and stress corrosion test.
由于需要对凹槽进行硬化，所以需要指定塑性材料和回火。
Due to work hardening in the groove area, ductile materials and tempers should be specified.
以提高耐磨性为主的大面积激光相变硬化必须采用光斑搭接方法，在搭接处的回火带是不可避免的。
The big area laser transformation hardening must adopt the methods of facular joint in giving priority to attrition, and the tempering zone can't be avoided in the joint.
国产新型塑料模具钢主要有预硬钢、时效硬化钢、淬火——回火钢、冷挤压成型模具钢、耐蚀钢等类型。
The new domestic - developed plastic mould steels include prehardening steel . age hardening steel, quenching-tempering steel, cold -forming steel, and anti - corrosion steel, etc.
钢的热处理工序包括硬化、回火、退火和表面硬化。
The procedures of heat treatment of steel include hardening, tempering, annealing and case hardening.
完全硬化区由细小针状马氏体、残余奥氏体和少量点状碳化物组成，过渡区由马氏体和回火索氏体（珠光体）组成；
The completely hardening region is composed of fine acicular martensites, residual austenites and a few dot-like carbonides and the transition region is made up of martensites and sorbites (pearlite).
该符号后续的数字表示经过不完全回火后的应变硬化程度。
The number following this designation indicates the degree of strain-hardening remaining after the product has been partially annealed.
根据模型模拟结果表明，影响轴承钢硬化层尺寸稳定性的主要因素是残余奥氏体的含量和回火温度以及回火时间。
The results showed that the main factors, which affected dimension changing of GCr15, included residual austenite content, tempering temperature and tempering time.
根据模型模拟结果表明，影响轴承钢硬化层尺寸稳定性的主要因素是残余奥氏体的含量和回火温度以及回火时间。
The results showed that the main factors, which affected dimension changing of GCr15, included residual austenite content, tempering temperature and tempering time.
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