Input Parameters

Results

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Flashing Distance
mm
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Upset Distance
mm
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Flashing Current
A
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Total Cycle Time
sec
Note: Flash butt welding is used for rails, rebar, and structural sections. Material is consumed during flashing and upset phases.

Reference

Flash Butt Welding: Flashing distance ~ 1.0 x section width (carbon steel) Upset distance ~ 0.5 x section width Current density: 20-35 A/mm2 depending on material Total loss = flash distance + upset distance