| 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 | | |
| 7315.82.00 | 20 | Chain and parts thereof, of iron or steel. - Other chain: - Other, welded link - Of alloy steel | 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 | | |
| 7409.21.00 | 11 | Copper plates, sheets and strip, of a thickness exceeding 0.15 mm. - Of copper-zinc base alloys (brass): - In coils - Of a thickness exceeding 0.15 mm but not exceeding 4.75 mm, unworked: - Of a width not exceeding 508 mm | KGM | | |
| 7409.21.00 | 12 | Copper plates, sheets and strip, of a thickness exceeding 0.15 mm. - Of copper-zinc base alloys (brass): - In coils - Of a thickness exceeding 0.15 mm but not exceeding 4.75 mm, unworked: - Of a width exceeding 508 mm | KGM | | |
| 7409.29.00 | 40 | Copper plates, sheets and strip, of a thickness exceeding 0.15 mm. - Of copper-zinc base alloys (brass): - Other - Of a thickness exceeding 0.15 mm but not exceeding 4.75 mm, unworked, of a width not exceeding 508 mm | KGM | | |
| 7409.31.00 | 40 | Copper plates, sheets and strip, of a thickness exceeding 0.15 mm. - Of copper-tin base alloys (bronze): - In coils - Of a thickness exceeding 0.15 mm but not exceeding 4.75 mm, unworked, of a width not exceeding 508 mm | KGM | | |
| 7304.51.00 | | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Cold-drawn or cold-rolled (cold-reduced) | KGM | Free | AUT, NZT, |
| 7304.51.00 | 10 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Cold-drawn or cold-rolled (cold-reduced) - Mechanical tubes and pipes | KGM | | |
| 7304.51.00 | 20 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Cold-drawn or cold-rolled (cold-reduced) - Pressure tubes and pipes | KGM | | |
| 7304.51.00 | 90 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Cold-drawn or cold-rolled (cold-reduced) - Other | KGM | | |
| 7304.59.00 | | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other | KGM | Free | CCCT, LDCT |
| 7304.59.00 | 10 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - 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;
To be employed in pneumatically breaking down the working face of a mine in mining, quarrying or developing mineral deposits;
Tubes and pipes, of an external diameter of 177.8 mm and of a wall thickness of 4.4 mm or 4.9 mm, for use in the manufacture of high pressure cylinders for the industrial gas market;
Tubes and pipes, to specification ASTM A-519, Grade 8620, AISI 52100 or ASTM 485, stress relieved and annealed, of an external diameter of 130 mm or more but not exceeding 440 mm and of a wall thickness of 28 mm or more but not exceeding 80 mm, for use in the manufacture of pellet rolls for animal feed or wood chip pellet mills;
Tubes and pipes, of a diameter of 8 cm or more but not exceeding 13 cm, for use in the manufacture of oil well perforating guns | KGM | | |
| 7304.59.00 | 20 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Tubes and pipes, for use in the manufacture or repair of pressure parts of boilers, pulp mill digesters or vessels for the refining of oil | KGM | | |
| 7304.59.00 | 30 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Mechanical tubes and pipes | KGM | | |
| 7304.59.00 | 40 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes | KGM | | |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
