![]() ![]() ![]() JointThe junction of members or the edge of members that are to be joined.Usually beveled or otherwise designed for welding. Heat-affected zone (HAZ)That portion of the base metal that has not been melted during welding, but whose mechanical properties and/or microstructure have been altered by the heat of welding or cutting. Weld metal The portion of the base metal that has been melted during welding. 4īase metalThe metal to be welded or cut. Oxyacetylene Welding (OAW)An oxy-fuel gas welding process that uses acetylene as the fuel gas. Gas Tungsten Arc Welding (GTAW) Shielding is obtained from an externally supplied gas or gas mixture. Gas Tungsten Arc Welding (GTAW)An arc welding process that produces coalescence of metals by heating them with an arc between a tungsten (non-consumable) electrode and the work piece. Gas Metal Arc Welding (GMAW) Shielding is obtained entirely from an externally supplied gas or gas mixture. Gas Metal Arc Welding (GMAW)An arc welding process that produces coalescence of metals by heating them with an arc between a continuous filler metal (consumable) electrode and the work. The arc and molten metal are shielded by a blanket of granular flux. Submerged Arc Welding (SAW)An arc welding process that uses an arc between a bare metal electrode and the weld pool. ɯiller metal is obtained from the electrode. ![]() Shielded Metal Arc Welding (SMAW) Shielding is obtained from decomposition of the electrode covering. Shielded Metal Arc Welding (SMAW)An arc welding process that produces a coalescence of metals by heating with an arc between a covered metal electrode and the work pieces. WPS-Welding Procedure Specification A document providing in detail the required variables for specific application to assure repeatability by properly trained welders Procedure A way of performing or effecting something a course of action. ![]() Process A method of performing welding, such as: Êshielded metal arc welding Êsubmerged arc welding Êgas metal arc welding Êgas tungsten arc welding Êoxyacetylene welding WeldingA joining process that produces a coalescence of metals (or non- metals) by heating them to the welding temperature, with or without the application of pressure, or by pressure alone, and with or without the use of filler metals Welding Terms - and other strange nomenclature ![]()
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