Declared spot nugget target

Sheet metal · Joining

Scope and limits

TWI: Avoiding interface failures in resistance spot welds

Source scope: Typical target weld diameter guidance for sheet resistance welds.
Implementation in Prufi: INFO below 5sqrt(t) for two equal rectangular sheets and declared nugget size. No actual nugget measurement; no application-specific minimum acceptance or strength certification.

No public STEP example is currently assigned to this check.