Through the study we founded that laser weld ferrite stainless steel pipe has many advantages than TIG weld,such as narrow heat-affected zone(HAZ),the degree of the grain size grow up is low and better cool process performance.
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cool process performance
冷过程性能
以上为机器翻译结果，长、整句建议使用 人工翻译 。
It concentrates on the cool gas passivation process and performance improvement of ultrafine carbonyl nickel powder.
重点介绍了超细羰基镍粉末的冷气钝化处理工艺及其对于粉末工艺性能和物理性能的改善。
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