| 7307.93.00 | 10 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Butt welding fittings - Of iron or non-alloy steel | KGM | | |
| 7304.23.00 | 11 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other drill pipe - New: - Of iron or non-alloy steel | KGM | | |
| 7304.23.00 | 91 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other drill pipe - Other: - Of iron or non-alloy steel | KGM | | |
| 7304.31.00 | | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Cold-drawn or cold-rolled (cold-reduced) | KGM | Free | CCCT, LDCT |
| 7304.31.00 | 10 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Cold-drawn or cold-rolled (cold-reduced) - Mechanical tubes and pipes | KGM | | |
| 7304.31.00 | 21 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Cold-drawn or cold-rolled (cold-reduced) - Pressure tubes and pipes: - For power boilers | KGM | | |
| 7304.31.00 | 28 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Cold-drawn or cold-rolled (cold-reduced) - Pressure tubes and pipes: - For other boilers | KGM | | |
| 7304.31.00 | 29 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Cold-drawn or cold-rolled (cold-reduced) - Pressure tubes and pipes: - Other | KGM | | |
| 7304.31.00 | 90 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Cold-drawn or cold-rolled (cold-reduced) - Other | KGM | | |
| 7304.39.00 | | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other | KGM | Free | CCCT, LDCT |
| 7304.39.00 | 20 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other - Tubes and pipes, for power boilers | KGM | | |
| 7304.39.00 | 30 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other - Tubes and pipes, for other boilers | KGM | | |
| 7304.39.00 | 40 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other - Mechanical tubes and pipes | KGM | | |
| 7304.39.00 | 50 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other - Standard pipes | KGM | | |
| 7304.39.00 | 90 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other - Other | KGM | | |
| 7304.39.00 | 10 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other - For blast furnaces for smelting iron ore; For use in the manufacture of cylinders for calendering, supercalendering or embossing paper or textiles; For use in the manufacture of drill pipe, casing or tubing, or fittings, couplings, thread protectors or nipples therefor, for natural gas or oil wells; 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, centrifugally cast, with plain ends, having a wall thickness of 15.875 mm or more but not exceeding 63.5 mm, for use in the manufacture of rolls for paper-making machinery | KGM | | |
| 7307.11.00 | 00 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Cast fittings: - Of non-malleable cast iron | KGM | Free | AUT, NZT, |
| 8401.10.00 | 00 | Nuclear reactors; fuel elements (cartridges), non-irradiated, for nuclear reactors; machinery and apparatus for isotopic separation. - Nuclear reactors | - | Free | CCCT, LDCT |
| 8207.19.00 | 20 | Interchangeable tools for hand tools, whether or not power-operated, or for machine-tools (for example, for pressing, stamping, punching, tapping, threading, drilling, boring, broaching, milling, turning or screw driving), including dies for drawing or extruding metal, and rock drilling or earth boring tools. - Rock drilling or earth boring tools: - Other, including parts - Non-diamond type core drill bits, to be employed in the exploration or drilling for water, oil or natural gas | - | | |
| 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 | 91 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other - Other: - Of iron or non-alloy steel | KGM | | |
| 7305.31.00 | 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 | 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 | | |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
