RESEARCH ON EXCESSIVE HARDNESS IN MANUFACTURING CHROMIUM MOLYBDENUM STEEL EQUIPMENT
This article introduced the overview and characteristics of chromium molybdenum equipment,analyzed the reasons of excessive hardness of Class A and B welds during the manufacture of the equipment shell,and found that it was caused by improper heat treatment and time control,and then proposed the improvement measures and optimized the process parameters of heat treatment as well.
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维普
