Resistance welding joins metals together using a combination of pressure and heat generated by an electrical current. No flux, fillers or external heat sources are required in the process due to the weld being created by the resistance to the flow of current passing through the materials and application of external force/pressure. Most metals or alloys can be joined using resistance welding .

Welding Guidelines

Resistance Spot Welding Guidelines

 

Taken from British Standards BS 1140 : 1993 Resistance spot welding of uncoated & coated low carbon steel.

IMPORTANT: These are recommendations only, settings must take account of actual conditions and be verified using a destruct test.

NOTES: When welding sheets of dissimilar thickness, welding conditions may be based on the thinner sheet or the second thinnest sheet on three thicknesses.

 

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