Q345NS钢焊接接头耐硫酸腐蚀特性研究
石践, 胡学文, 何博, 杨峥, 郭锐, 汪飞
Sulfuric Acid Corrosion Resistance of Q345NS Steel Welded Joint
SHI Jian, HU Xuewen, HE Bo, YANG Zheng, GUO Rui, WANG Fei
表2
焊接工艺参数
Table 2
Welding process parameters
Welding position
Welding current A
Arc voltage V
Welding speed mm·s
-1
Internal welding
620±60
33±2
0.9±0.1
outside welding
750±70
34±2