http://www.mater-rep.com/CN/10.11896/cldb.18060188 Web23 Dec 2024 · 一支可靠的排气阀杆= 正确的原材料 + 生产工艺 + 质量控制。 原材料 Nimonic 和SNCrW 是二冲程排气阀杆的两种理想材料。 Nimonic作为一种优秀的耐热阀门钢,凭 …
SNCrW钢晶粒度及碳化物的控制研究 - 豆丁网
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718 초내열합금과 SNCRW강의 이종 마찰용접부의 후열처리에 …
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