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2. Welder certification - Wikipedia

   en.wikipedia.org/wiki/Welder_certification

   The main part of the welder's test consists of welding one or more test coupons which are then examined using non-destructive and destructive methods. The extent of certification is described by a number of variables, which include the specific welding process, type of deposited metal, thickness, joint design, position, backing, and others.

3. 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.

4. Alliance welders earn certification - AOL

   www.aol.com/alliance-welders-earn-certification...

   Alliance City Schools announced Wednesday that 100% of its students have passed the American Welding Society certification. That means every student in the senior class is an AWS-certified welder ...

5. List of welding codes - Wikipedia

   en.wikipedia.org/wiki/List_of_welding_codes

   Certification of welding inspectors W47.1-09 (R2014) Certification of companies for fusion welding of steel W47.2-11 (R2015) Certification of companies for fusion welding of aluminum W48-14: Filler metals and allied materials for metal arc welding W55.3-08 (R2013) Certification of companies for resistance welding of steel and aluminum W59-13

6. American Welding Society - Wikipedia

   en.wikipedia.org/wiki/American_Welding_Society

   The American Welding Society (AWS) was founded in 1919 as a non-profit organization to advance the science, technology and application of welding and allied joining and cutting processes, including brazing, soldering and thermal spraying.

7. 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 ]