X100管线钢焊接接头抗HIC性能研究

王斌, 周翠, 李良君, 胡红梅, 朱加祥

Resistance to Hydrogen Induced Corrosion Cracking of Weld Joint of X100 Pipeline Steel

WANG Bin, ZHOU Cui, LI Liangjun, HU Hongmei, ZHU Jiaxiang

表1 X100管线钢焊接工艺参数

Weld bead Welding material Welding current / A Welding voltage / V Wire feed speed / inmin-1 Gas flow Lmin-1 Root welding ACR-110K3M 110~125 15~17 157 15~20 Filling welding 1 ACR-120GM 102~125 20~22 176~204 15~20 Filling welding 2 ACR-120GM 96~123 20~22 165~196 15~20 Filling welding 3 ACR-120GM 110~120 19.5~22 193~196 15~20 Cover welding ACR-120GM 105~116 20~22.5 186~191 20~25