| 2604.00.00 | 10 | Nickel ores and concentrates. - Copper content | KGM | | |
| 2604.00.00 | 83 | Nickel ores and concentrates. - Precious metal content: - Platinum group metal content | GRM | | |
| 2825.40.00 | 00 | Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides. - Nickel oxides and hydroxides | KGM | Free | CCCT, LDCT |
| 2827.35.00 | 00 | Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides. - Other chlorides: - Of nickel | KGM | Free | CCCT, LDCT |
| 2604.00.00 | 20 | Nickel ores and concentrates. - Nickel content | KGM | | |
| 2604.00.00 | 81 | Nickel ores and concentrates. - Precious metal content: - Silver content | GRM | | |
| 2604.00.00 | 82 | Nickel ores and concentrates. - Precious metal content: - Gold content | GRM | | |
| 2604.00.00 | 90 | Nickel ores and concentrates. - Other | KGM | | |
| 2604.00.00 | | Nickel ores and concentrates. | KGM | Free | CCCT, LDCT |
| 2620.99.00 | 20 | Slag, ash and residues (other than from the manufacture of iron or steel) containing metals, arsenic or their compounds. - Other: - Other - Containing mainly nickel | KGM | | |
| 2833.24.00 | 00 | Sulphates; alums; peroxosulphates (persulphates). - Other sulphates: - Of nickel | KGM | Free | CCCT, LDCT |
| 2842.90.00 | 10 | Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides. - Other - Ammonium nickel sulphate | KGM | Free | CCCT, LDCT |
| 2842.90.00 | 40 | Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides. - Other - Nickel sulphamate | KGM | Free | CCCT, LDCT |
| 3815.11.00 | 00 | Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included. - Supported catalysts: - With nickel or nickel compounds as the active substance | KGM | Free | CCCT, LDCT |
| 3815.19.00 | 10 | Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included. - Supported catalysts: - Other - Supported catalysts, consisting of two or more of cobalt, molybdenum or nickel oxides, on an aluminum oxide base or on an aluminum oxide base in a mixture with silica, for the desulphurization, denitrogenation or polyaromatic saturation of petroleum feedstocks, in hydrotreating service only | KGM | Free | CCCT, LDCT |
| 7202.60.00 | 00 | Ferro-alloys. - Ferro-nickel | KGM | Free | CCCT, LDCT |
| 7210.90.00 | 12 | Flat-rolled products of iron or non-alloy steel, of a width of 600 mm or more, clad, plated or coated. - Other - Of a thickness not exceeding 4.75 mm, clad, plated or coated with other base metals: - With nickel | KGM | | |
| 7210.90.00 | 21 | Flat-rolled products of iron or non-alloy steel, of a width of 600 mm or more, clad, plated or coated. - Other - Of a thickness exceeding 4.75 mm, clad, plated or coated with other base metals: - With nickel | KGM | | |
| 7212.50.00 | 13 | Flat-rolled products of iron or non-alloy steel, of a width of less than 600 mm, clad, plated or coated.
- Otherwise plated or coated - Of a thickness not exceeding 4.75 mm, plated or coated with other base metals: - With nickel | KGM | | |
| 7222.11.00 | 11 | Other bars and rods of stainless steel; angles, shapes and sections of stainless steel. - Bars and rods, not further worked than hot-rolled, hot-drawn or extruded: - Of circular cross-section - High nickel alloy steel: - With a diameter of 25 mm or more | KGM | | |
| 7222.11.00 | 12 | Other bars and rods of stainless steel; angles, shapes and sections of stainless steel. - Bars and rods, not further worked than hot-rolled, hot-drawn or extruded: - Of circular cross-section - High nickel alloy steel: - With a diameter of less than 25 mm | KGM | | |
| 7222.19.00 | 11 | Other bars and rods of stainless steel; angles, shapes and sections of stainless steel. - Bars and rods, not further worked than hot-rolled, hot-drawn or extruded: - Other - High nickel alloy steel: - Flat bars | KGM | | |
| 7222.19.00 | 19 | Other bars and rods of stainless steel; angles, shapes and sections of stainless steel. - Bars and rods, not further worked than hot-rolled, hot-drawn or extruded: - Other - High nickel alloy steel: - Other | KGM | | |
| 7222.20.00 | 11 | Other bars and rods of stainless steel; angles, shapes and sections of stainless steel. - Bars and rods, not further worked than cold-formed or cold-finished - High nickel alloy steel: - Rounds, with a diameter of 25 mm or more | KGM | | |
| 7222.20.00 | 12 | Other bars and rods of stainless steel; angles, shapes and sections of stainless steel. - Bars and rods, not further worked than cold-formed or cold-finished - High nickel alloy steel: - Rounds, with a diameter of less than 25 mm | KGM | | |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
