mig welding calculation for mild steel

Mild Steel

Steel Thickness (mm)	Filler Rod (mm)	Tungsten (mm)	Practice beads Closed root butt joint	Fillet joint	Open root butt joint (gap is half of material thicknesss) Lap joint Outside corner joint
			Amps	Amps	Amps
0.8	1.0	1.0 or 1.6 1	25	30	20
1.0	1.0	1.0 or 1.6 1	30	35	25
1.2	1.0	1.6	35	45	30
1.5	1.0	1.6	45	55	40
2.0	1.0 or 1.6 2	1.6	60	75	55
3.0	1.6	1.6	90	110	80