An interesting feature of the JIS Z 3140 standard, which governs the inspection of resistance spot welds, is its specific "Nugget Diameter" requirement of ResearchGate
The Jis Z 3140 pdf standard can be obtained from the Japanese Standards Association (JSA) or other authorized distributors. The standard is available in PDF format, making it easily accessible and downloadable. jis z 3140 pdf
: Measuring the depth of the electrode impression using a dial gauge. An interesting feature of the JIS Z 3140
: Evaluates both the physical diameter of the weld nugget and the tensile shear load-bearing capacity. JIS Z 3140 Specification Primary Formula (Nugget Diameter) Minimum Penetration Not less than 20% of the sheet thickness Base Material Thickness of the sheet is used for calculation if sheets differ calculation example jis z 3140 pdf