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Publications G40.20-13/G40.21-13 (R2018)

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G40.20-13/G40.21-13 (R2018) - General requirements for rolled or welded structural quality steel / Structural quality steel

Publication Year:

  • 2013

Total Pages:


Reaffirmed Year:

  • 2018


  • CSA
Structural Quality Steel

This seventh edition, two-part standard covers structural quality steel plates, shapes, hollow sections, sheet, sheet piling, cold-formed channels, Z sections, and bars for general construction and engineering purposes. The following types of steel are covered by this Standard:

  • Weldable steel
  • Weldable notch-tough steel
  • Atmospheric corrosion-resistant steel
  • Atmospheric corrosion-resistant weldable steel
  • Atmospheric corrosion-resistant weldable notch-tough steel
  • Quenched and tempered low-alloy steel plate
  • Quenched and tempered low-alloy notch-tough steel plate

Changes in this revised Standard include updated plate and sheet dimension sizes to align with ASTM, a new definition on normalize rolled, allowance of Niobium and Vanadium to be used for grain refining, and added new grades 345WM (50WM), 345WMT (50WMT), 450W (65W), and 450WT (65WT).

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GST REG No R119441681
QST REG No R1006017360