涉钠设备综合试验设施建设项目主要进行机械钠泵、钠-水蒸汽发生器、控制棒驱动机构、提升机、钠阀、钠液位计、钠流量计等关键涉钠设备和仪表的验证试验。管道材料为S30409不锈钢,根据GB 150—2011《压力容器》,可得屈服强度、平均热膨胀系数、弹性模量、许用应力S_h。热膨胀应力的许用应力范围S_A按照GB 50316—2008《工业金属管道 Sodium-related equipment comprehensive test facility construction projects are mainly mechanical sodium pump, sodium - water vapor generator, control rod drive mechanism, hoist, sodium valve, sodium level gauge, sodium flow meter and other key sodium-related equipment and instruments validation test . Pipe material is S30409 stainless steel, according to GB 150-2011 “pressure vessel”, available yield strength, average thermal expansion coefficient, elastic modulus, allowable stress S_h. Allowable thermal expansion stress stress range S_A in accordance with GB 50316-2008 "industrial metal pipe