| 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 | | |
| 7306.69.00 | 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 other non-circular cross-section - Of alloy steel: - Hollow structural sections | KGM | | |
| 7306.69.00 | 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 other non-circular cross-section - Of alloy steel: - Other | KGM | | |
| 7307.21.00 | 10 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other, of stainless steel: - Flanges - Not further worked than forged or bent to shape | KGM | | |
| 7307.29.10 | 00 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other, of stainless steel: - Other - To be employed in pneumatically breaking down the working face of a mine in mining, quarrying or developing mineral deposits | KGM | Free | CCCT, LDCT |
| 7307.29.20 | 00 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other, of stainless steel: - Other - For installation between the wellhead assembly or surface oil pumping unit and the field marketing valve at oil or natural gas wells | KGM | 4.5% | CCCT, LDCT |
| 7307.29.91 | 00 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other, of stainless steel: - Other - Other: - Not further worked than forged or bent to shape | KGM | Free | AUT, NZT, |
| 7307.91.00 | 91 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Flanges - Other: - Of iron or non-alloy steel | KGM | | |
| 7307.91.00 | 92 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Flanges - Other: - Of alloy steel, other than stainless steel | KGM | | |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
