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  2. Welding Procedure Specification - Wikipedia

    en.wikipedia.org/wiki/Welding_Procedure...

    The American Society of Mechanical Engineers (ASME) similarly defines a WPS as a written document that provides direction to the welder or welding operator for making production welds in accordance with Code requirements. [2] ASME also defines welding PQR as a record of variables recorded during the welding of the test coupon. The record also ...

  3. List of welding codes - Wikipedia

    en.wikipedia.org/wiki/List_of_welding_codes

    ASME BPVC Section IV Rules for Construction of Heating Boilers ASME BPVC Section V: Nondestructive Examination ASME BPVC Section VIII Rules for Construction of Pressure Vessels Division 1 and Division 2 ASME BPVC Section IX: Welding and Brazing Qualifications ASME B16.25: Buttwelding ends ASME B31.1: Power Piping ASME B31.3: Process Piping ASME ...

  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. Welder certification - Wikipedia

    en.wikipedia.org/wiki/Welder_certification

    The ASME code is typically used for pressure vessel and pressure piping applications, and CSA Standards are used for structural, general manufacturing and non-pressure applications. There are 3 major CSA Standards to which welders may be qualified: CSA W47.1 [ 4 ] for steels (including stainless steels), CSA W47.2 [ 5 ] for aluminum, and CSA ...

  6. 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.

  7. American Society of Mechanical Engineers - Wikipedia

    en.wikipedia.org/wiki/American_Society_of...

    The American Society of Mechanical Engineers (ASME) is an American professional association that, in its own words, "promotes the art, science, and practice of multidisciplinary engineering and allied sciences around the globe" via "continuing education, training and professional development, codes and standards, research, conferences and publications, government relations, and other forms of ...

  8. List of abbreviations in oil and gas exploration and production

    en.wikipedia.org/wiki/List_of_abbreviations_in...

    ASME – American Society of Mechanical Engineers; ASOG – activity-specific operating guidelines; ASP – array sonic processing report; ASP – alkali-surfactant-polymer; ASTM – American Society for Testing and Materials; ASCSSV – annulus surface controlled sub-surface valve [4] ASV – anti-surge valve; ASV – annular safety valve

  9. Post weld heat treatment - Wikipedia

    en.wikipedia.org/wiki/Post_weld_heat_treatment

    Industry codes, such as the ASME Pressure Vessel and Piping Codes, often require mandatory performance of PWHT on certain materials to ensure a safe design with optimal mechanical and metallurgical properties. [2] [3] The need for PWHT is mostly due to the residual stresses and micro-structural changes that occur after welding has been ...

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