建立了高炉炉顶煤气管道球形节点力学模型，提出了边界条件和载荷的处理方法。
The mechanical model of spherical node of coal pipelines of blast furnace is built. Its boundary conditions and loads are presented.
采用恒载荷和慢应变速率动态拉伸实验方法，测定了X80管道钢在不同充氢条件下的氢致开裂门槛应力和断裂应力。
The threshold stress and fracture stress of hydrogen-induced cracking of X80 pipeline steel are studied by constant load test and slow stain rate test.
承压设备是压力容器、压力管道、承压附件、安全附件等以流体压力为基本载荷的设备总称。
Pressure equipment means vessels, piping, safety accessories and pressure accessories. Its basic loading is fluid pressure.
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