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  2. Welding - Wikipedia

    en.wikipedia.org/wiki/Welding

    Overhead stick welding. Welding is a fabrication process ... to verify that welds are free of ... installation of puddle welding on steel construction sites.

  3. Metal fabrication - Wikipedia

    en.wikipedia.org/wiki/Metal_fabrication

    Workers welding in parking garage. Welding is the main focus of steel fabrication. [8] Formed and machined parts are assembled and tack-welded in place, then rechecked for accuracy. If multiple weldments have been ordered, a fixture may be used to locate parts for welding. A welder then finishes the work according to engineering drawings (for ...

  4. List of welding processes - Wikipedia

    en.wikipedia.org/wiki/List_of_welding_processes

    This is a list of welding processes, separated into their respective categories. The associated N reference numbers (second column) are specified in ISO 4063 (in the European Union published as EN ISO 4063 ). [ 1 ]

  5. Metalworking - Wikipedia

    en.wikipedia.org/wiki/Metalworking

    Welding is a fabrication process that joins materials, usually metals or thermoplastics, by causing coalescence. This is often done by melting the workpieces and adding a filler material to form a pool of molten material that cools to become a strong joint, but sometimes pressure is used in conjunction with heat, or by itself, to produce the weld.

  6. American Welding Society - Wikipedia

    en.wikipedia.org/wiki/American_Welding_Society

    Companies may also become an official AWS Certified Welding Fabricator (CWF). The American Welding Society describes the program as being "designed to recognize those select companies who prove they have the resources, procedures, and personnel to apply a quality management system to the welding fabrication activities." [7]

  7. Arc welding - Wikipedia

    en.wikipedia.org/wiki/Arc_welding

    Arc welding power supplies can deliver either direct (DC) or alternating (AC) current to the work, while consumable or non-consumable electrodes are used. The welding area is usually protected by some type of shielding gas (e.g. an inert gas), vapor, or slag. Arc welding processes may be manual, semi-automatic, or fully automated.