[Retracted] Characterization and Parametric Optimization of EN-10149-2 Steel Welded Joints Made by MIG Welding

Table 10

Response table for signal-to-noise ratio of the hardness of HAZ.

Level	Current	Voltage	Speed
1	42.99	42.62	42.99
2	43.02	43.40	43.25
3	43.53	43.52	43.31
Delta	0.55	0.90	0.32
Rank	2	1	3