For2Cr13 valve sealing face by double glow plasma W alloying process,carburizing , quenching and tempering process, the results show its machining size is little, its hardness is high and its static pressure lifetime is long.

• 结果表明经双层辉光离子渗钨、渗碳和淬火回火处理的2Cr13阀门密封面加工量小、硬度高、静压寿命长。