hot-piercing 热穿孔
hot piercing plug 热穿孔顶头
hot-piercing process 热穿孔工艺
hot piercing temperature 热穿孔温度
hot piercing and hot rolling 热穿
hot cross piercing 热轧穿孔
The test of sulphurized tufftride process for treating the hot piercing punch for steel pipes is introduced.
介绍了钢管热冲孔凸模硫氮碳共渗工艺试验。
The rational process for producing the steel is recommended on the basis of analyzing the emergence and developing mechanism of cracks in shells of the steel during hot piercing.
分析了热穿孔过程中毛管裂纹的产生及扩展机理。推荐了生产该钢种的合理工艺。
The experimental investigation of high- temperature alloy piercing performances is made by using the hot torsion test and coning test;
采用热扭转试验和锥形试验的方法对高温合金的穿孔性能进行了试验研究；
应用推荐