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The central hub for Canadian steel design, standards, and engineering expertise.
Featured Tool
Steel Design Web App
Design steel members and connections online — no software installation required. Built on CSA S16, updated for the latest code cycle.
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codes & Standards
Common Codes and Standards for Design
and Construction of Steel Structures
CISC engineers participate in development activities for many codes and standards nationally and internationally, representing CISC and the steel industry at large.
| Code / Standard / Supplement / Commentary / Referenced Document | Current Edition | Next Edition / Revision | Publication Target |
|---|---|---|---|
| National Building Code of Canada (NBC) | NBC 2020 | NBC 2025 |  Dec. 2025Published |
| NBC Structural Commentaries (Part 4 of Div. B) | NBC 2020 Str. Comm. | NBC 2025 Str. Comm. | 2025 Published |
| CSA S16 Design of Steel Structures | CSA S16:19 | CSA S16:24 | 2024-25 Published |
| CSA S6 Canadian Highway Bridge Design Code | CSA S6:19 | CSA S16:24 | 2024-25 Published |
| CSA S6.1 Commentary on Canadian Highway Bridge Design Code | CSA S6.1:19 | CSA S16:24 | 2024-25 Published |
| CSA G40.20/G40.21 General Requirements for Rolled or Welded Structural Quality Steel | G40.20-13 / G40.21-13 (R2018) | — |  Target 2025In development |
| CSA W59 Welded Steel Construction (Metal Arc Welding) | CSA W59:23 | — | Target 2026 In development |
| CSA W47.1 Certification of Companies for Fusion Welding of Steel | CSA W47.1:23 | — | Target 2026 In development |
| CSA S136 North American Specification for the Design of Cold-Formed Steel Structural Members | CSA S136-16 / Supp. 1 2019 / Supp. 2 2020 | CSA S136:24 | 2024-25 Published |
| CSA S136.1 Commentary on CSA S136 | CSA S136.1-16 | CSA S136:24 | 2024-25 Published |
1 CISC Handbook of Steel Construction – 12th Edition includes CSA S16-19, its Commentary, CISC Code of Standard
Practice – 9th Edition (new), and design aids. 2 3rd Printing of Handbook has been updated to reflect changes introduced
in CSA S16-14 Update No. 1 released in Dec. 2016. 3 Adopted in S16-19 by reference.
Ask an Engineer
CISC Engineers are ready to answer your questions on all aspects of structural steel design for buildings and bridges. Answers to technical inquiries related to codes and standards or the practice of engineering are normally provided to professional engineers (P. Eng.).
