| 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 | | |
| 7307.29.10 | 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 |
| 7307.91.00 | 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 | | |
| 7307.92.00 | 20 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Threaded elbows, bends and sleeves - Of alloy steel, other than stainless steel | KGM | | |
| 7307.93.00 | 20 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Butt welding fittings - Of alloy steel, other than stainless steel | KGM | | |
| 7307.99.00 | 10 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Other - Of alloy steel, other than stainless steel, further worked than forged or bent to shape, for installation between the wellhead assembly or surface oil pumping unit and the field marketing valve at oil or natural gas wells | KGM | | |
| 7308.40.00 | 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.
- Equipment for scaffolding, shuttering, propping or pit-propping - Roof and wall support systems for mines, including yielding props, chocks, roof-bars and chock release apparatus | KGM | | |
| 74.03 | | Refined copper and copper alloys, unwrought. | | | |
| 7308.90.00 | 91 | 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.
- Other - Other: - Livestock pens or stalls | KGM | | |
| 73.12 | | Stranded wire, ropes, cables, plaited bands, slings and the like, of iron or steel, not electrically insulated. | | | |
| 7404.00.99 | 10 | Copper waste and scrap. - Other: - Other - Copper-tin base alloys (bronze) | KGM | | |
| 7404.00.99 | 21 | Copper waste and scrap. - Other: - Other - Copper-zinc base alloys (brass): - Containing more than 0.3% of lead | KGM | | |
| 7309.00.00 | 20 | Reservoirs, tanks, vats and similar containers for any material (other than compressed or liquefied gas), of iron or steel, of a capacity exceeding 300 litres, whether or not lined or heat-insulated, but not fitted with mechanical or thermal equipment. - Bolted steel tanks, to be employed in connection with oil or natural gas wells, for installation up to the field marketing valve | NMB | | |
| 7403.13.00 | 00 | Refined copper and copper alloys, unwrought. - Refined copper: - Billets | KGM | Free | CCCT, LDCT |
| 7403.19.00 | | Refined copper and copper alloys, unwrought. - Refined copper: - Other | KGM | Free | CCCT, LDCT |
| 7404.00.99 | 29 | Copper waste and scrap. - Other: - Other - Copper-zinc base alloys (brass): - Other | KGM | | |
| 7325.10.00 | | Other cast articles of iron or steel. - Of non-malleable cast iron | KGM | 6% | CCCT, LDCT |
| 7325.10.00 | 10 | Other cast articles of iron or steel. - Of non-malleable cast iron - In the rough | KGM | | |
| 7312.90.00 | | Stranded wire, ropes, cables, plaited bands, slings and the like, of iron or steel, not electrically insulated. - Other | KGM | Free | CCCT, LDCT |
| 7312.90.00 | 10 | Stranded wire, ropes, cables, plaited bands, slings and the like, of iron or steel, not electrically insulated. - Other - Slings | KGM | | |
| 7312.10.00 | 11 | Stranded wire, ropes, cables, plaited bands, slings and the like, of iron or steel, not electrically insulated. - Stranded wire, ropes and cables - Stranded wire, alloyed steel: - Of a diameter not exceeding 5 mm | KGM | | |
Harmonized Tariff Schedule of the Canada inquiry: 401110
