摘要
洪屏抽水蓄能电站压力钢管采用国内钢厂生产的WSD690E高强钢板,这种钢材的合金化体系比较复杂,且本工程压力钢管壁厚较大,有许多焊接方面的技术问题亟待解决。编制了详细的焊接工艺,并通过试验验证了焊接工艺的适宜性。介绍了800 MPa级高强钢压力钢管焊接工艺控制,分析了焊接横向裂纹的产生机理,并提出了解决方案和处理措施。
The penstock of Hongping Pumped-storage Power Station is manufactured by domestic high-strength steel WSD690E. As complex alloyed system of steel and greater pipe wall thickness of penstock, there are many technical problems to be solved in the welding of steel. A detailed welding technology is prepared and the suitability of welding process is verified by welding tests. Actual welding process control of this 800 MPa-grade high strength steel penstock is introduced. The mechanism of transverse weld cracking is analyzed and the solutions and crack treatments are also proposed.
出处
《水力发电》
北大核心
2016年第8期45-47,55,共4页
Water Power
关键词
800
MPa级高强钢
焊接工艺
横向裂纹
洪屏抽水蓄能电站
800 MPa-grade high strength steel
welding technology
transverse crack
Hongping Pumped-storage Power Station
