Welding Wire Feed Speed Calculator
SI
Imp
Imperial
Inputs
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Wire diameter
(d)
Filler wire diameter.
mm
Wire feed speed
(WFS)
Wire feed speed into the weld. Imperial display uses in/min.
mm/min
Filler density
(rho)
Steel filler wire is commonly near 7850 kg/m^3.
kg/m³
Deposition efficiency
(eta)
Fraction of filler wire mass that becomes deposited weld metal.
%
Target deposited metal
(m)
Deposited weld metal mass target for the arc-time estimate.
kg
Results
Default result
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Deposited metal rate
1.998
kg/h
Filler mass rate multiplied by deposition efficiency.
Also computed
Filler feed rate
2.22
kg/h
Estimated arc time
7.509
min
Filler for target deposit
0.2778
kg
Wire volume feed rate
4.712
cm³/min
Wire cross-section area
0.7854
mm²
Efficiency used
(eta)
0.9
Method notes
3 notes
Wire volume feed rate = pi * wire diameter^2 / 4 * wire feed speed.
Filler mass rate = wire volume rate * filler density. Deposited rate then applies deposition efficiency.
This estimates filler and deposited-metal rate only. WFS-to-current relationships, transfer mode, voltage, stickout, shielding gas, duty cycle, fit-up and starts/stops are not included.
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