| 7306.90.00 | | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other | KGM | Free | CCCT, LDCT |
| 7306.90.00 | 10 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other - Of iron or non-alloy steel | KGM | | |
| 7306.50.00 | | 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 other alloy steel | KGM | Free | CCCT, LDCT |
| 7306.50.00 | 10 | 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 other alloy steel - Mechanical tubes and pipes | KGM | | |
| 7306.50.00 | 20 | 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 other alloy steel - Pressure tubes and pipes | KGM | | |
| 7306.50.00 | 30 | 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 other alloy steel - Hollow structural sections | KGM | | |
| 7306.50.00 | 40 | 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 other alloy steel - Tubing in coils | KGM | | |
| 7306.50.00 | 90 | 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 other alloy steel - Other | KGM | | |
| 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 | | |
| 7320.20.00 | 10 | Springs and leaves for springs, of iron or steel. - Helical springs - For furniture | KGM | | |
| 7320.20.00 | 20 | Springs and leaves for springs, of iron or steel. - Helical springs - For motor vehicles | KGM | | |
| 7320.20.00 | 90 | Springs and leaves for springs, of iron or steel. - Helical springs - Other | KGM | | |
| 7320.90.00 | | Springs and leaves for springs, of iron or steel. - Other | KGM | Free | CCCT, LDCT |
| 7320.90.00 | 10 | Springs and leaves for springs, of iron or steel. - Other - Hairsprings | 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 | | |
| 7306.69.00 | | 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 other non-circular cross-section | KGM | Free | CCCT, LDCT |
| 7306.69.00 | 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 other non-circular cross-section - Of iron or non-alloy steel: - Mechanical tubes and pipes | KGM | | |
| 7306.69.00 | 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 other non-circular cross-section - Of iron or non-alloy steel: - Hollow structural sections | KGM | | |
| 7306.69.00 | 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 other non-circular cross-section - Of iron or non-alloy steel: - Other | KGM | | |
| 7306.69.00 | 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 other non-circular cross-section - Of alloy steel: - Mechanical tubes and pipes | KGM | | |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
