Resistance Spot Welding Parameters Calculator

Calculate resistance spot welding current, time, and electrode force for sheet metal joining based on material thickness and type

Input Parameters

Results

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Welding Current
kA
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Weld Time
cycles (60Hz)
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Electrode Force
kN
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Expected Nugget Diameter
mm
Note: Based on AWS C1.1 Recommended Practices for Resistance Welding. Actual parameters depend on equipment, surface condition, and coating.

Reference

AWS C1.1 RSW Guidelines: Current: I = 6.0 * sqrt(t) kA (mild steel baseline) Time: T = 10t + 5 cycles (60 Hz) Force: F = 1.5 * t^0.8 kN Nugget Diameter: d = 5 * sqrt(t) mm