| 7304.59.00 | 90 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Other | KGM | | |
| 7304.90.00 | 11 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other - Mechanical tubes and pipes: - Of iron or non-alloy steel | KGM | | |
| 7304.90.00 | 12 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other - Mechanical tubes and pipes: - Of alloy steel | KGM | | |
| 7304.90.00 | 91 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other - Other: - Of iron or non-alloy steel | KGM | | |
| 7305.12.00 | 20 | Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the external diameter of which exceeds 406.4 mm, of iron or steel. - Line pipe of a kind used for oil or gas pipelines: - Other, longitudinally welded - Of alloy steel: - Of an external diameter exceeding 609.6 mm | KGM | | |
| 7305.31.00 | 81 | Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the external diameter of which exceeds 406.4 mm, of iron or steel. - Other, welded: - Longitudinally welded - Other, of iron or non-alloy steel: - Standard pipes | KGM | | |
| 7305.31.00 | 89 | Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the external diameter of which exceeds 406.4 mm, of iron or steel. - Other, welded: - Longitudinally welded - Other, of iron or non-alloy steel: - Other | KGM | | |
| 7305.31.00 | 91 | Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the external diameter of which exceeds 406.4 mm, of iron or steel. - Other, welded: - Longitudinally welded - Other, of alloy steel: - Of stainless steel | KGM | | |
| 7305.31.00 | 99 | Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the external diameter of which exceeds 406.4 mm, of iron or steel. - Other, welded: - Longitudinally welded - Other, of alloy steel: - Other | KGM | | |
| 7305.31.00 | 10 | Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the external diameter of which exceeds 406.4 mm, of iron or steel. - Other, welded: - Longitudinally welded - For use in the manufacture of goods of Section XVI or of Chapter 73, such goods being used in the recovery or production of crude oil from shales, oil-sands or tar-sands; Of iron or non-alloy steel, for use in the manufacture of separators or treaters (water, oil, gas), for installation between the wellhead assembly or surface oil pumping unit and the field marketing valve at oil or natural gas wells; Tubes and pipes, electric resistance welded, with an external diameter of 457.2 mm or more but not exceeding 609.6 mm, having a wall thickness of 9.525 mm or more but not exceeding 12.7 mm, containing, by weight, 0.37% or more but not exceeding 0.48% of carbon and 0.6% or more but not exceeding 1.2% of manganese, for use in the manufacture of induction hardened abrasion resistant tubes or pipes | KGM | | |
| 7305.39.00 | 80 | Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the external diameter of which exceeds 406.4 mm, of iron or steel. - Other, welded: - Other - Other, of iron or non-alloy steel | KGM | | |
| 7305.90.00 | 10 | Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the external diameter of which exceeds 406.4 mm, of iron or steel. - Other - Of iron or non-alloy steel | KGM | | |
| 7305.90.00 | 20 | Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the external diameter of which exceeds 406.4 mm, of iron or steel. - Other - Of alloy steel | KGM | | |
| 7306.30.00 | | 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 iron or non-alloy steel | KGM | Free | CCCT, LDCT |
| 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 | | |
| 7306.30.00 | 21 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other, welded, of circular cross-section, of iron or non-alloy steel - Other, of an external diameter not exceeding 114.3 mm: - Mechanical tubes and pipes | KGM | | |
| 7306.30.00 | 22 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Other, welded, of circular cross-section, of iron or non-alloy steel - Other, of an external diameter not exceeding 114.3 mm: - Pressure tubes and pipes | KGM | | |
| 7306.30.00 | 23 | 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 - Other, of an external diameter not exceeding 114.3 mm: - Hollow structural sections | KGM | | |
| 7307.99.00 | 81 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Other - Of iron or non-alloy steel: - Couplings | KGM | | |
| 7307.99.00 | 89 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Other - Of iron or non-alloy steel: - Other | KGM | | |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
