TANDEM and GMAW Twin Wire Welding of Q690 Steel Used in Hydraulic Support

Chenfu Fang1, Xiao Meng1, Qingxian Hu1, Fengjiang Wang1, He Ren1, Haisong Wang1, Yu Quan Guo2, Ming Mao3
1School of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu, China
2Nanjing Pengli Science and Technology Co Ltd, Nanjing, Jiangsu, China
3Shanxi Pingyang Industry Machinery Co Ltd, Pingyang, Shanxi, China

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