The carbonized base material is then activated by a second heat - steam treatment (200-1600 C) while regulating oxygen and carbon dioxide levels.
炭化的基础材料，然后激活第二热- 蒸汽处理（200-1600 C），同时调节氧气和二氧化碳的含量。
For production of final 800 alloy U-shaped steel tubes used for steam generator heat-conduction, surface shot-blast treatment is a must.
表面喷丸是生产800合金u型蒸汽发生器传热管成品必不可少的处理工序。
The present invention is boronizing treatment and heat treatment process of martensitic stainless steel for steam turbine nozzle set.
本发明涉及汽轮机喷嘴组用马氏体不锈钢渗硼处理和性能热处理 工艺。
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