Supplementary Weld Symbols

Welding is a fabrication or sculptural process that joins materials, usually metals or thermoplastics, by causing fusion, which is distinct from lower temperature metal-joining techniques such as brazing and soldering, which do not melt the base metal.

In addition to the  weld symbols, some supplementary symbols according to IS: 813 – 1961 (reaffirmed 1991) are shown below with drawing representation and symbol in the tabular form.

Weld all round, field weld, flush contour, convex contour, concave contour, grinding finish, machining finish and chipping finish are the different particulars of supplementary weld symbols.