Tensile test shall be carried out on one pipe sample representing each inspection lot.
每批拉伸实验只要挑选1个样品钢管进行即可。
Tensile test shall be carried out on one pipe sample representing each inspection lot. But not less than one pipe sample representing each heat test.
每批检验品只抽一个钢管代表整批的来做张力测试，但是至少有一个以上样品代表整批做热度测试。
Through the pipe sample cutting and analyzing the crack in the fillet weld between the hot reheat pipe and the warming pipe, it was found out that the cause of the crack is due to the thermal fatigue.
通过对再热热段至低旁暖管管道角焊缝上裂纹的解剖分析，其原因是热疲劳裂纹引起的。
应用推荐