ISO 8167:1989

Projections for resistance welding

Specifies the characteristics and dimensions of projections for resistance welding. Includes also the appropriate design and dimensions for tools (see annex B). The projections may be used on either hot-rolled or cold-rolled, uncoated mild steel, of conventional welding quality and up to 3 mm thick, as single projections, in multiples or as a group of multiples.