Welding Construction Term. Or weld symbols may be added both below and above the reference line to specify a double. In some cases one pass is enough while others require multiple passes.
A groove-weld symbol may be added to a welding symbol below the reference line to specify a weld only on the arrow side of the joint single weld. A localised coalescence of metals or non-metals produced either by heating the materials to the welding temperature with or without the application of pressure or by the application of pressure alone AWS A permanent union between materials caused by heat and or. Welding is a core activity in the fabrication factory undertaken by skilled qualified operatives working to a welding quality management system under the control of a Responsible Welding Coordinator.
Backup Strip is a strip or section of steel butted up to an open gap between two pieces of steel.
It also completes the electrical circuit thereby creating the arc. Also known as SMAW or Stick Metal Arc Welding. A short stick of welding filler metal consisting of a core of bare electrode covered by chemical or metallic materials that provide shielding of the welding arc against the surrounding air. Welding is a core activity in the fabrication factory undertaken by skilled qualified operatives working to a welding quality management system under the control of a Responsible Welding Coordinator.