arc welding basics

understanding arc welding basics and type of arc welding

Arc Welding Welding can be defined as “the operation that produces coalescence of two or more members by applying heats or pressure or both, with or without the use of filler metal” . Welding (Metallurgical joining) can further be classified by the joining mechanism into 4 groups : Fusion welding ( can be referred to as welding in the narrow sense), solid phase joining (pressure welding), diffusion welding and joining by liquid-solid phase reaction (Brazing & soldering). Fusion welding consist of 5 categories : gas welding, arc welding, electroslag welding , thermite welding and high energy beam welding (electron beam[…]

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welding procedure specification pdf

(pdf) what is Welding Procedure Specification (WPS) definition ?

Welding procedure specification Welding Procedure Specification is a document containing the variables of the welding parameter created for the purpose of being used as a welder or welding operator to perform welding work (welding connections) in accordance with the provisions of the code (ASME, API and AWS). Some of the EPC activities that are critical in the oil and gas industry are welding. Welding is carried out when the EPC enters the third phase, i.e construction, for example when manufacturing pressure vessels, storage tanks, process piping, and pipelines. Welding is also often done at the time after the EPC project[…]

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