巴莱水电站压力钢管用P460Q钢材焊接性试验研究  

Welding performance study of P460Q steel for pressure steel pipe for baleh hydropower station

作　　者：彭水平 PENG Shuiping(China Gezhouba Group Machinery and Ship Co.,Ltd.,Yichang 443002,Hubei,China)

机构地区：[1]中国葛洲坝集团机械船舶有限公司,湖北宜昌443002

出　　处：《金属加工（热加工）》2024年第10期43-46,51,共5页MW Metal Forming

摘　　要：介绍了欧标P460Q钢的特性。对于该材料的焊接性能,首先通过计算碳当量及裂纹敏感系数进行分析,然后进行了焊接工艺评定试验验证,最后通过冷卷试验、焊缝返修试验、水压试验等进行研究。The characteristics of European standard P460Q material are described in this paper.The welding performance of this material will be studied through the carbon equivalent calculation and welding crack sensitivity coefficient analyzing,and then the welding procedure qualification will carried out to check the welding performance,and a series of tests such as the cold coil test and weld repair test,and water pressure test will be carried out for the further study of welding performance.

关 键 词：欧标P460Q 焊接性能 碳当量 裂纹敏感系数 焊接工艺评定 

分 类 号：TG457.11[金属学及工艺—焊接]