American Welding Symbols On Drawings. Weld symbols on drawings was originally published in 1982 based on BS 499 British Standards Institution 1980 ISO 2553 International Standards Organisation 1979 and ANSIAWS A24 American Welding Society-1979 standards. Weld Symbols American When welds are specified on engineering and fabrication drawings a cryptic set of symbols is used as a sort of shorthand for describing the type of weld its size and other processing and finishing information.
The instructions for weld are written along the reference line. Weld symbols on drawings was originally published in 1982 based on BS 499 British Standards Institution 1980 ISO 2553 International Standards Organisation 1979 and ANSIAWS A24 American Welding Society-1979 standards. The horizontal line also called the reference line on which other welding symbols are placed.
The complete set of welding symbols is published by the American National Standards Institute ANSI and the American Welding Society AWS.
Very handy CAD blocks for steel drafting. The type of weld joint is indicated by a specific symbol. This is unnec- essarily confusing and it is recommended that the broad root face 6 Welding symbols on drawings Designation Illustration Symbol Single-V buttgroove weld a Square buttgroove weld b Single bevel buttgroove weld c Single-U buttgroove weld d Single-J buttgroove weld e Butt weld between ISO plates with raised edges ISO Edge weld on a f flanged groove joint AWS AWS Single-V butt weld with broad root face g Single bevel butt weld. In engineering drawings each weld is conventionally identified by an arrow which points to the joint to be welded.
