消除应力热处理 meaning in Chinese
stress relief heat treatment
stress-relief heat treatment
Examples
- According to these , the paper put forward some countermeasures : select low carbon steel or low metal alloy steel with lower intensity , like 20r steel ; while welding , adopt strict craft measures with lower welding heat to input ; after jointing , proceed the whole hot dissolving on time ; control each welding joint with hardness hb 185 ; add 0 . 25 % water into the liquid ammonia as decay eclipse ; enhance checking in operation , repairing equipment in time through regular interior and exterior checking
针对上述原因提出了防止氨冷器类临氨压力容器产生应力腐蚀裂纹的对策：选用强度稍低，但抗裂性较好的低碳钢和低合金钢，如用20r钢制造；焊接时应采用严格的工艺措施和较低的焊接热输入量；焊后应及时进行整体消除应力热处理；控制焊接接头各区硬度hb 185 ；在液氨中添加0 . 25 %的水作为缓蚀剂；在运行中加强检查，及时进行停车检修时的内外部检查和定期检验。