核级阀门阀体密封面铁基合金堆焊工艺

Hardfacing Technology of Iron Base Alloy for Sealing Surface of Nuclear Class Valve Body

分析了核级手动阀门阀体密封面堆焊铁基合金时出现质量问题的原因,介绍了改变堆焊工艺参数和评估工艺稳定性后提出的阀门堆焊层质量控制措施。

The causes of quality problems in surfacing iron base alloy on the sealing surface of the valve body of the nuclear manual valve are analyzed,quality control measures for valve hardfacing are proposed after changing hardfacing process parameters and eveluating process stability.