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About This Item


Full Description

This PDF includes GI #2.

1. Scope


This Standard covers welding requirements for any type of welded steel construction with the exception of those types listed in Clause 1.2.

Requirements that are essentially common to all such structures are covered in Clauses 1 to 10, while provisions applying specifically to statically loaded structures and to dynamically loaded structures are included in Clauses 11 and 12, respectively.


This Standard is not intended to apply to pressure vessels or to structures governed by special codes such as those of Lloyds, the American Petroleum Institute, the American Society of Mechanical Engineers, or the American Water Works Association.


This Standard includes provisions for shielded metal arc (SMAW), submerged arc (SAW), gas metal arc (GMAW), flux cored arc (FCAW) , electroslag (ESW), electrogas (EGW), and stud (SW) welding processes.


The provisions of this Standard are not intended for use with steels having a specified minimum yield strength over 700 MPa.


Where reference is made to other publications, such references shall be considered to refer to the latest edition approved by the organization issuing that publication.

Document History

  1. CSA W59-18

    Welded Steel Construction, Includes Errata (2020)

    • Most Recent
  2. CSA W59-13

    Welded Steel Construction (Metal Arc Welding), Includes Update No. 1 (2014), Update No. 3 (2015), Update No. 4 (2015)

    • Historical Version
  3. CSA W59-03 (R2008)

    Welded Steel Construction (Metal Arc Welding), Includes Update No. 1 (2004)

    • Historical Version
  4. CSA W59-1989 (R1998)

    Welded Steel Construction (Metal Arc Welding) (Imperial version)

    • Historical Version
  5. CSA W59-M1989 (R2001)


    Welded Steel Construction (Metal Arc Welding) (Metric version)

    • Historical Version
  6. CSA W59-M1989 Amendment

    Welded Steel Construction (Metal Arc Welding) - General Instruction 2 incorporating General Instruction 1

    • Historical Version

Amendments, rulings, supplements, and errata

  1. CSA W59S1-M1989 (R1998)

    Supplement No. 1-M1989, Steel Fixed Offshore Structures, to W59-1989, Welded Steel Construction (Metal Arc Welding)