【摘要】 对P23大口径钢管进行了综合试验研究。结果认为P23化学成分设计合理,具有较高的持久强度、良好高温组织稳定性和高温抗氧化性能,较低的脆性转变温度和较好的焊接性能,是制造压力容器、锅炉高温高压部件的优良材料。更多还原

【Abstract】 The comprehensive investigation on HCM2S base metal and welds has been made.The results show the HCM2S has reasonable chemical composition,high creep rupture stress,good structural stability and oxidation-resistance at elevated temperature,with lower brittle-transition temperature and excellent weldablity.The steel pipe is an excellent material for fabricating boiler and pressure parts at high temperature.更多还原