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  2. List of welding codes - Wikipedia

    en.wikipedia.org/wiki/List_of_welding_codes

    Specification for carbon steel electrodes for shielded metal arc welding AWS A5.18: Specification for carbon steel electrodes and rods for gas shielded arc welding AWS B1.10: Guide for the nondestructive examination of welds AWS B2.1: Specification for Welding Procedure and Performance Qualification AWS D1.1: Structural welding (steel) AWS D1.2

  3. ESAB - Wikipedia

    en.wikipedia.org/wiki/ESAB

    ESAB headquarters in Gothenburg.. ESAB, Elektriska Svetsnings-Aktiebolaget (English: Electric Welding Limited company), is an American-Swedish industrial company. [1]The ultimate parent company of ESAB is ESAB Corporation, a New York Stock Exchange listed (Ticker: ESAB) with its principal executive office in North Bethesda, Maryland, U.S. [2]

  4. Gas tungsten arc welding - Wikipedia

    en.wikipedia.org/wiki/Gas_tungsten_arc_welding

    GTAW weld area. Manual gas tungsten arc welding is a relatively difficult welding method, due to the coordination required by the welder. Similar to torch welding, GTAW normally requires two hands, since most applications require that the welder manually feed a filler metal into the weld area with one hand while manipulating the welding torch in the other.

  5. Welding Procedure Specification - Wikipedia

    en.wikipedia.org/.../Welding_Procedure_Specification

    The AWS defines welding PQR as a record of welding variables used to produce an acceptable test weldment and the results of tests conducted on the weldment to qualify a Welding Procedure Specification. For steel construction (civil engineering structures) AWS D1.1 is a widely used standard.

  6. Oscar Kjellberg - Wikipedia

    en.wikipedia.org/wiki/Oscar_Kjellberg

    He invented the coated electrode used in manual metal arc welding (Swedish Patent: 27152, June 29, 1907), by dipping a bare iron wire in a thick mixture of carbonates and silicates. The purpose of the coating is to generate a fume cloud that protects the molten metal from reacting with the oxygen and nitrogen (as is present in the ambient ...

  7. Submerged arc welding - Wikipedia

    en.wikipedia.org/wiki/Submerged_arc_welding

    Submerged arc welding (SAW) is a common arc welding process. The first SAW patent was taken out in 1935. The first SAW patent was taken out in 1935. The process requires a continuously fed consumable solid or tubular (metal cored) electrode. [ 1 ]

  8. Symbols and conventions used in welding documentation

    en.wikipedia.org/wiki/Symbols_and_conventions...

    The location of the elements of a welding symbol when following US conventions. In the US, the component elements of the weld specification are: [2] The reference line - the body of the arrow which is the baseline for the specification. The arrow tip which goes at an angle to the reference line, pointing to the joint to be welded.

  9. Arc welding - Wikipedia

    en.wikipedia.org/wiki/Arc_welding

    Gas tungsten arc welding (GTAW), or tungsten/inert-gas (TIG) welding, is a manual welding process that uses a non-consumable electrode made of tungsten, an inert or semi-inert gas mixture, and a separate filler material. Especially useful for welding thin materials, this method is characterized by a stable arc and high quality welds, but it ...

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