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本文通过压力容器封头制造中材料韧性出现劣化的案例,分析了其中原因,并做了相应处理。为压力容器外协、外购件的制造和加工提供借鉴。
In this paper, the case of deterioration of material toughness in the manufacture of pressure vessel head is analyzed, the reason is analyzed and the corresponding treatment is done. For the pressure vessel Association, purchased parts manufacturing and processing to provide reference.