| 7306.61.00 | | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other, welded, of non-circular cross-section: - Of square or rectangular cross-section | KGM | Free | CCCT, LDCT |
| 7306.61.00 | 11 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other, welded, of non-circular cross-section: - Of square or rectangular cross-section - Of iron or non-alloy steel: - Mechanical tubes and pipes | KGM | | |
| 7306.61.00 | 12 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other, welded, of non-circular cross-section: - Of square or rectangular cross-section - Of iron or non-alloy steel: - Hollow structural sections | KGM | | |
| 7306.61.00 | 19 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other, welded, of non-circular cross-section: - Of square or rectangular cross-section - Of iron or non-alloy steel: - Other | KGM | | |
| 7306.61.00 | 21 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other, welded, of non-circular cross-section: - Of square or rectangular cross-section - Of alloy steel: - Mechanical tubes and pipes | KGM | | |
| 7306.61.00 | 22 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other, welded, of non-circular cross-section: - Of square or rectangular cross-section - Of alloy steel: - Hollow structural sections | KGM | | |
| 7306.61.00 | 29 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other, welded, of non-circular cross-section: - Of square or rectangular cross-section - Of alloy steel: - Other | KGM | | |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
