Influence of Different Frequency Pulse on Weld Bead Phase Ratio in Gas Tungsten Arc Welding by Ferritic Stainless Steel AISI-409L

Table 5

Response table: S/N ratios (low-frequency pulse).

Levels	Ip	Ib	%peak
1	-8.731	-8.551	-8.220	-8.852
2	-7.291	-7.647	-7.822	-7.769
3	-7.988	-7.812	-7.968	-7.389
Delta	1.439	0.904	0.398	1.463
Rank	2	3	4	1