10/9/2011 By  S K Mondal Welding Definition Welding is a process by which two materials, usually metals, are permanently joined together by coalescence, which is induced…

WELDING– Welding is a materials joining process which produces coalescence of materials by heating them to suitable temperatures with or without the application of pressure…

Chapter 12: Joining & Fastening Processes 12.1 Introduction □ Classification of joining methods • Fusion welding (융접) • Solid-state welding (고상용접) •…

WELDING – Welding is a materials joining process which produces coalescence of materials by heating them to suitable temperatures with or without the application of pressure…

1. GAS WELDING 2. Gas Welding • Gas welding is a welding process that melts and joins metals by heating them with a flame caused by a reaction of fuel gas and oxygen. •…

Welding Chapter 14 Chapter 14 Competencies Identify the different types Consumable and Nonconsumable electrode welding processes Identify the flame characteristics associated…

Slide 1 OBJECTIVE: AM24.02 Identify, cut, drill, bend, shape, file, and grind cold metals. Slide 2 Identifying Metals  Ferrous contain iron– must be painted  Nonferrous…

Welding Chapter 14 Chapter 14 Competencies Identify the different types Consumable and Nonconsumable electrode welding processes Identify the flame characteristics associated…

Metals Metals OBJECTIVE: AM24.02 Identify, cut, drill, bend, shape, file, and grind cold metals. Identifying Metals Ferrous contain ironâ must be painted Nonferrous has…

Welding Chapter 14 Chapter 14 Competencies Identify the different types Consumable and Nonconsumable electrode welding processes Identify the flame characteristics associated…