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welding · sheet-metal

Spot weld callout

A spot weld callout identifies a series of discrete weld nuggets in overlapping sheet metal. The size indicates the spot diameter and the pitch states their spacing along the seam. A process note in the tail can make clear that resistance spot welding is intended. Use this compact notation for enclosures, brackets, and other sheet-metal assemblies that are joined at regular intervals. Before using the layout in a build or document, compare every label with the source requirements and update the drawing when parts, conditions, or materials change. The example is deliberately small so the essential relationships remain readable, easy to review with collaborators, and ready to extend with the details required for the actual project.

Type SoudageNorme AWS A2.4:2020 · ISO 2553:2019Moteur schematex-weldingMis à jour 24/09/2026
Sheet-metal spot weld
Drawing preview
La demande

“Draw a welding symbol for 6 mm resistance spot welds on the arrow side of a sheet-metal overlap seam at 40 mm pitch.”

Essayez ensuiteChange the spot diameter to 8 mm.Add a second spot-weld callout for another seam.
Ce que contient ce dessin

Comprenez les décisions qui le sous-tendent.

01Weld type

Spot welding suits overlapping thin sheet.

02Spot size

The symbol specifies a 6 mm spot.

03Spacing

The 40 mm pitch sets the repeat pattern.

Use for a repeated resistance spot-weld pattern on sheet metal.

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FAQ

Questions fréquentes

What is a spot weld?

It is a localized weld, commonly made by resistance welding overlapping sheet.

How is spot spacing shown?

The pitch value gives the spacing between spots.

Can spot size be specified?

Yes. The size value records the spot diameter.