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  2. Welding Procedure Specification - Wikipedia

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

    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.

  3. List of welding codes - Wikipedia

    en.wikipedia.org/wiki/List_of_welding_codes

    Automotive arc welding (aluminum) AWS D9.1: Sheet metal welding AWS D10.10: Heating practices for pipe and tube AWS D10.11: Root pass welding for pipe AWS D10.12: Pipe welding (mild steel) AWS D10.13: Tube brazing (copper) AWS D10.18: Pipe welding (stainless steel) AWS D11.2: Welding (cast iron) AWS D14.1: Industrial mill crane welding AWS D14 ...

  4. List of welding processes - Wikipedia

    en.wikipedia.org/wiki/List_of_welding_processes

    AWS Characteristics Applications Air acetylene welding (321) AAW Chemical welding process, not popular Limited Oxyacetylene welding: 311: OAW Combustion of acetylene with oxygen produces high-temperature flame, inexpensive equipment Maintenance, repair Oxygen/Propane welding 312: Gas welding with oxygen/propane flame Oxyhydrogen welding: 313: OHW

  5. American Welding Society - Wikipedia

    en.wikipedia.org/wiki/American_Welding_Society

    For example, AWS B1.11 explains how to visually examine welds; AWS B2.1-1-004 explains welding carbon steel of thickness range of 18 through 10 gauge with semiautomatic metal gas arc welding; and AWS C2.20/C2.20M explains metalized zinc cathodic protection systems. Some codes also describe the standards used by AWS to certify welders ...

  6. 3 dogs kill their owner and injure a bystander at a San Diego ...

    www.aol.com/3-dogs-kill-owner-injure-062035234.html

    Three dogs attacked their owner at a San Diego park Friday, killing the man and injuring another person, according to authorities and the Humane Society.

  7. Symbols and conventions used in welding documentation

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

    The symbolic representation of a V weld of chamfered plates in a technical drawing. The symbols and conventions used in welding documentation are specified in national and international standards such as ISO 2553 Welded, brazed and soldered joints -- Symbolic representation on drawings and ISO 4063 Welding and allied processes -- Nomenclature of processes and reference numbers.

  8. Trump says he wants retribution. Some critics fear he will ...

    www.aol.com/news/trump-says-wants-retribution...

    Some prominent critics of President-elect Donald Trump - including three officials in his first administration - are instructing their accountants to safeguard against the possibility of Trump ...

  9. What are the BRIC nations? Why did Donald Trump ... - AOL

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    Donald Trump continues to threaten tariffs against foreign nations, this time toward a bloc of nine countries if they try to undermine the dollar's global dominance.

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