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welding · fabrication

V-groove butt joint callout

A V-groove callout communicates the preparation needed for a butt joint. The included angle and root opening describe the groove before welding. A backing symbol records that support is used behind the root, and the contour and finish state how the completed face is treated. This example gives a fabricator the essential information for a prepared plate splice without relying on a separate written note. 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.

Typ SchweißenStandard AWS A2.4:2020 · ISO 2553:2019Engine schematex-weldingAktualisiert 24.9.2026
Plate splice V-groove
Drawing preview
Die Anfrage

“Draw a welding symbol for a plate butt joint with an arrow-side 60 degree V-groove, 3 mm root opening, 10 mm throat, backing, flush ground finish, and SMAW E7018 process note.”

Dann probieren SieChange the root opening to 4 mm.Add a field-weld flag.
Was diese Zeichnung zeigt

Die dahinterstehenden Entscheidungen verstehen.

01Groove form

A V-groove prepares both plate edges.

02Root opening

The symbol fixes the 3 mm gap.

03Finish

Flush grinding is called out with G.

Use for full-penetration-style plate splice specifications where the joint preparation matters.

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FAQ

Häufige Fragen

What is a V-groove weld?

It is a groove weld made after beveling both edges of a butt joint.

What does root opening mean?

It is the gap left between the prepared members at the root.

What does G mean?

G denotes a grinding finish.