Welding

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Joining is an all inclusive term, which covers processes such as welding, brazing, soldering, adhesive bonding, and mechanical joining. These processes are an important and necessary aspect of manufacturing operations. This paper deals with one topic in particular ˜Welding'.

Welding is a process for joining similar metals. Welding joins metals by melting and fusing 1, the base metals being joined and 2, the filler metal applied. Welding employs pinpointed, localized heat input. Most welding involves ferrous-based metals such as steel and stainless steel. Welding covers a temperature range of 1500 º F - 3000 º F (800 ºC - 1635 ºC). Weld joints are usually stronger or as strong as the base metals being joined. Typically, welding is used for forging, farrier, blacksmithing, oil pipelines, and food equipment applications.

Now, let us go into Welding in more detail. There are a number of different types of welding.

Oxyfuel gas welding (OFW) includes any welding operation that uses combustion with oxygen as a heating medium. The process involves melting the base metal and usually a filler metal, using a fla

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