In this paper the failure mechanism of water-wall tubes of converter gas hood is investigated through microscope, Electron Probe X-ray Microanalyzer (EPMA) and other apparatus.

• 文中以转炉移动烟罩冷却水管为研究对象，通过金相显微镜、电子探针等设备，对冷却水管的失效机理进行了分析。