| 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 | | |
| 7306.29.00 | 11 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Casing and tubing of a kind used in drilling for oil or gas: - Other - Casing, of an external diameter of 114.3 mm or more but not exceeding 177.8 mm: - Of an A.P.I. grade H-40, J-55, K-55 or equivalent proprietary specification | KGM | | |
| 7306.29.00 | 21 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Casing and tubing of a kind used in drilling for oil or gas: - Other - Casing, of an external diameter exceeding 177.8 mm but not exceeding 298.4 mm: - Of an A.P.I. grade H-40, J-55, K-55 or equivalent proprietary specification | KGM | | |
| 7306.29.00 | 31 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Casing and tubing of a kind used in drilling for oil or gas: - Other - Casing, of an external diameter exceeding 298.4 mm: - Of an A.P.I. grade H-40, J-55, K-55 or equivalent proprietary specification | KGM | | |
| 7306.29.00 | 41 | Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. - Casing and tubing of a kind used in drilling for oil or gas: - Other - Tubing: - Of an A.P.I. grade H-40, J-55 or equivalent proprietary specification | KGM | | |
| 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 | 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 | 31 | 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 - Of an external diameter exceeding 114.3 mm: - Mechanical tubes and pipes | KGM | | |
| 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 | | |
| 7306.61.00 | 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 | 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 | | |
| 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 | | |
| 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 | 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 | | |
| 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 |
| 7307.91.00 | 11 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Flanges - Not further worked than forged or bent to shape: - Closed die forgings or seam legs profiled rings, of carbon steel, to specification ANSI B16.5, A.P.I. B16.47B, MSS B16.47A, AWWA C207B or AWWA C207E, for use in the manufacture of finished flanges | KGM | | |
| 73.08 | | Structures (excluding prefabricated buildings of heading 94.06) and parts of structures (for example, bridges and bridge-sections, lock-gates, towers, lattice masts, roofs, roofing frame-works, doors and windows and their frames and thresholds for doors, shutters, balustrades, pillars and columns), of iron or steel; plates, rods, angles, shapes, sections, tubes and the like, prepared for use in structures, of iron or steel. | | | |
| 7308.10.00 | 00 | Structures (excluding prefabricated buildings of heading 94.06) and parts of structures (for example, bridges and bridge-sections, lock-gates, towers, lattice masts, roofs, roofing frame-works, doors and windows and their frames and thresholds for doors, shutters, balustrades, pillars and columns), of iron or steel; plates, rods, angles, shapes, sections, tubes and the like, prepared for use in structures, of iron or steel.
- Bridges and bridge-sections | KGM | Free | CCCT, LDCT |
| 7308.20.00 | | Structures (excluding prefabricated buildings of heading 94.06) and parts of structures (for example, bridges and bridge-sections, lock-gates, towers, lattice masts, roofs, roofing frame-works, doors and windows and their frames and thresholds for doors, shutters, balustrades, pillars and columns), of iron or steel; plates, rods, angles, shapes, sections, tubes and the like, prepared for use in structures, of iron or steel.
- Towers and lattice masts | KGM | Free | CCCT, LDCT |
| 7308.20.00 | 10 | Structures (excluding prefabricated buildings of heading 94.06) and parts of structures (for example, bridges and bridge-sections, lock-gates, towers, lattice masts, roofs, roofing frame-works, doors and windows and their frames and thresholds for doors, shutters, balustrades, pillars and columns), of iron or steel; plates, rods, angles, shapes, sections, tubes and the like, prepared for use in structures, of iron or steel.
- Towers and lattice masts - Transmission towers | KGM | | |
| 7308.20.00 | 90 | Structures (excluding prefabricated buildings of heading 94.06) and parts of structures (for example, bridges and bridge-sections, lock-gates, towers, lattice masts, roofs, roofing frame-works, doors and windows and their frames and thresholds for doors, shutters, balustrades, pillars and columns), of iron or steel; plates, rods, angles, shapes, sections, tubes and the like, prepared for use in structures, of iron or steel.
- Towers and lattice masts - Other | KGM | | |
| 7308.30.00 | | Structures (excluding prefabricated buildings of heading 94.06) and parts of structures (for example, bridges and bridge-sections, lock-gates, towers, lattice masts, roofs, roofing frame-works, doors and windows and their frames and thresholds for doors, shutters, balustrades, pillars and columns), of iron or steel; plates, rods, angles, shapes, sections, tubes and the like, prepared for use in structures, of iron or steel.
- Doors, windows and their frames and thresholds for doors | TNE | Free | CCCT, LDCT |
| 7308.30.00 | 10 | Structures (excluding prefabricated buildings of heading 94.06) and parts of structures (for example, bridges and bridge-sections, lock-gates, towers, lattice masts, roofs, roofing frame-works, doors and windows and their frames and thresholds for doors, shutters, balustrades, pillars and columns), of iron or steel; plates, rods, angles, shapes, sections, tubes and the like, prepared for use in structures, of iron or steel.
- Doors, windows and their frames and thresholds for doors - Sash, casement or frame sections, not punched, drilled or further manufactured, whether or not coated, and similar material formed from hot- or cold-rolled strip, whether or not coated, for use in the manufacture of window sash, casements or frames | TNE | | |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
