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

Table 11

Response table for S/N ratio of the hardness of HAZ.

Level	Current	Voltage	Speed
1	141.3	135.3	141.3
2	141.7	148.0	145.7
3	150.3	150.0	146.3
Delta	9.0	14.7	5.0
Rank	2	1	3