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three major types of fusion welding processes are as follows: 1. Gas welding: Oxyacetylene welding (OAW). 2. Arc welding: Shielded metal arc welding (SMAW). There are many different types of welding processes and in general they can be categorized as: Arc Welding: A welding power supply is used to create andTwo Basic Types of. Arc Welding Electrodes. ▫ Consumable – consumed during welding process. ▫ Source of filler metal in arc welding. Two Types of Welding. • Fusion Welding – melting base metals. – Arc Welding (AW) – heating with electric arc. – Resistance welding (RW) – heating with SMAW is a welding process that uses a flux covered metal electrode to carry an electrical current. The current forms an arc that jumps a gap from the end of the. DIFFERENT METHODS OF WELDING 2.12.3 Types of material used in flux coated electrode 3.7.6 Different filler metals and fluxes for gas welding. The molten masses combine, metal to metal, and are forged together. As the weld cools, a complete alloy bond is formed. MIG welding. Gas Metal Arc Welding (GMAW) Fusion Welding; Non-Fusion Welding; Resistance Welding ; OXY-Acetylene Gas Welding; Air-Acetylene Gas welding; OXY-Hydrogen Gas welding; Atomic Hydrogen Gas