On technical blueprints, symbols like , T2 , or У3 are used. The number following the letter indicates a specific execution variant (e.g., single-sided vs. double-sided weld or specific bevel type). For instance, C1 refers to a single-sided butt joint without edge preparation for thin sheets. Where to Find GOST 5264-80 English PDF

The standard provides highly detailed tables (Tables 2 through 54) that specify dimensions based on the thickness of the parts being joined. Description/Standard Practice

Includes specifications for V-shaped, U-shaped, and K-shaped beveling.

For international projects or English-speaking teams, obtaining an official translation is vital for accuracy. Several platforms provide the full text and technical drawings:

Applied when the edge of one part meets the surface of another at an angle, common in supports and frames.

The standard specifically governs manual arc welding and applies to various metal structures. However, it is important to note that GOST 5264-80 to steel pipeline joints, which are instead covered by GOST 16037-80 . Core Types of Welded Joints