Welding

Process of producing localized coalescence of metal by heating to suitable temperatures, with or without the application of pressure, and with or without the use of filler metal. The filler metal either has a melting point approximately the same as the base metals or has a melting point below that of the base metals, but above 800F. Common welding processes are:

Oxyacetylene Welding Gas Shielded Arc Welding Resistance Welding (Spot, Seam, Butt) Coated Metal Arc Welding Carbon Arc Welding

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