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Publications W59-13

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W59-13 - Welded steel construction (metal arc welding)

Publication Year:

  • 2013

Total Pages:



  • CSA

W59-13 - Welded steel construction (metal arc welding)

CSA W59 - Welded Steel Construction (Metal Arc Welding)

As Canada's premier welded construction standard,
CSA W59 - Welded steel construction (metal arc welding) is designed for organizations involved in the welding of bridges, buildings, machinery, equipment and other products to help fabrication of the highest quality and to help protect public safety.. The standard details requirements for the design of welded connections, workmanship, inspection of welds, electrodes and base materials, prequalification and fabrication/construction techniques. A must for designers, engineers, inspectors, welding supervisors and others involved in any aspect of welded steel construction.

This ninth edition covers welding requirements for most carbon and low-alloy welded steel construction and includes provisions which apply specifically to statically-loaded structures and to cyclically-loaded structures. CSA W59 includes provisions for the welding of offshore structures and includes new annexes for the classification of electrodes.


  • Now includes provisions for gas tungsten arc welding
  • Added provisions for the prequalification of gas metal arc (pulsed transfer mode) and gas tungsten arc welding
  • New Requirements for the welding of prequalified joints with multiple welding processes
  • Offers greater clarity on roles and responsibilities for welding inspection
  • Features new allowances for the use of alternative ultrasonic methods and alternative radiation imaging systems

W59 Includes Provisions for the Following Processes:

  • Shielded metal arc welding (SMAW)
  • Submerged arc welding (SAW)
  • Gas metal arc welding (GMAW)
  • Gas tungsten arc welding (GTAW)
  • Flux-cored arc welding (FCAW)
  • Metal-cored arc welding (MCAW)
  • Electroslag welding (ESW)
  • Electrogas welding (EGW)
  • Stud welding (SW)

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