The Ontario Building Code | Corrosion Resistance of Connectors
9.20.16.1. Corrosion Resistance of Connectors
(1) Carbon steel connectors required to be corrosion-resistant shall be galvanized to at least the minimum standards in Table 9.20.16.1.
Table 9.20.16.1.
Minimum Requirements for Galvanizing
Forming Part of Sentence 9.20.16.1.(1)
| Item | Column 1 Connector Material | Column 2 ASTM Standard | Column 3 Coating Class |
| 1. | wire ties and continuous reinforcing (hot-dipped galvanizing) | A153 / A153M | Class B2 or 458 g/m² |
| 2. | Hardware and bolts | A153 / A153M | See A153 / A153M |
| 3. | Strip, plate, bars, and rolled sections (not less than 3.18 mm thick) | A123 / A123M | 610 g/m² |
| 4. | Sheet (less than 3.18 mm thick) | A123 / A123M | 305 g/m² on material 0.76 mm thick(1) |
Notes to Table 9.20.16.1.:
(1) ASTM A123 / A123M does not apply to metal less than 3.18 mm thick. Galvanizing coatings may be interpolated for thicknesses between 3.18 mm and 0.76 mm.
9.20.17. Above-Ground Flat insulating Concrete Form walls