正火处理 meaning in English

normalizing treatment

Flat products made of steels for pressure purposes - part 3 : weldable fine grain steels , normalized
压力容器用扁平钢轧材.第3部分:正火处理的可焊细晶粒钢
Specification for flat products made of steels for pressure purposes - weldable fine grain steels , normalized
压力容器用的扁平钢轧材规范.经正火处理的可焊细粒钢
Flat products made of steels for pressure purposes - part 3 : weldable fine grain steels , normalized ; german version en 10028 - 3 : 2003
压力容器用扁平钢轧材.第3部分:经过正火处理的可焊细