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OM-947 Page 31
9-3. Typical Control Settings
. These settings are guidelines only. Material and wire type, joint design, fitup, position, etc. affect settings. Test welds to be sure they comply to
specifications.
3.5 x 125 A = 437 ipm
2 x 125 A = 250 ipm
1.6 x 125 A = 200 ipm
30 − 90 A
40 − 145 A
50 − 180 A
Convert Material
Thickness to
Amperage (A)
Material thickness determines weld
parameters.
.035 in
Recommendation
Wire Speed
(Approx.)
1/8 or 0.125 in.
(0.001 in. = 1 ampere)
0.125 in. = 125 A
Wire Size Amperage Range
0.023 in.
0.030 in.
0.035 in.
Select Wire Size
Wire
Size
0.023 in.
0.030 in.
0.035 in.
3.5 in per ampere
2 in per ampere
1.6 in per ampere
Select Wire Speed
(Amperage)
125 A based on 1/8 in.
material thickness
ipm = inches per minute
Low voltage: wire stubs into work
High voltage: arc is unstable (spatter)
Set voltage midway between high/low voltage
Select Voltage
Voltage controls height and
width of weld bead.
Wire speed (amperage) controls weld
penetration (wire speed = burn-off rate).