| 7306.30.00 | 11 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other, welded, of circular cross-section, of iron or non-alloy steel - Galvanized, of an external diameter not exceeding 114.3 mm: - Mechanical tubes and pipes | KGM | | |
| 7306.30.00 | 12 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other, welded, of circular cross-section, of iron or non-alloy steel - Galvanized, of an external diameter not exceeding 114.3 mm: - Pressure tubes and pipes | KGM | | |
| 7306.30.00 | 13 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other, welded, of circular cross-section, of iron or non-alloy steel - Galvanized, of an external diameter not exceeding 114.3 mm: - Hollow structural sections | KGM | | |
| 7306.30.00 | 14 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other, welded, of circular cross-section, of iron or non-alloy steel - Galvanized, of an external diameter not exceeding 114.3 mm: - Standard pipes | KGM | | |
| 7306.30.00 | 15 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other, welded, of circular cross-section, of iron or non-alloy steel - Galvanized, of an external diameter not exceeding 114.3 mm: - Conduits | KGM | | |
| 7306.30.00 | 19 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other, welded, of circular cross-section, of iron or non-alloy steel - Galvanized, of an external diameter not exceeding 114.3 mm: - Other | KGM | | |
| 7313.00.00 | 10 | Barbed wire of iron or steel; twisted hoop or single flat wire, barbed or not, and loosely twisted double wire, of a kind used for fencing, of iron or steel. - Galvanized | KGM | | |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
