CSA G40.20 / G40.21 General Requirements for Rolled or Welded Structural Quality Steel / Structural Quality Steel
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| ISBN/PUB: |
G40 20 13 |
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| Pub Date: |
2013 |
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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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