| 7220.20.70 | 10 | Containing more than 1.5 percent but less than 5 percent by weight of molybdenum | kg | | | |
| 7220.20.70 | 60 | Containing less than 15 percent by weight of chromium | kg | | | |
| 7220.20.90 | 30 | Containing more than 0.5 percent but less than 24 percent by weight of nickel | kg | | | |
| 7220.90.00 | 10 | Containing more than 0.5 percent but less than 24 percent by weight of nickel: | | | | |
| 7220.90.00 | 10 | Containing more than 1.5 percent but less than 5 percent by weight of molybdenum | kg | | | |
| 7220.90.00 | 60 | Containing less than 15 percent by weight of chromium | kg | | | |
| 7225.50.80 | 15 | Of a kind for use in making aperture masks for cathode-ray tube video displays | kg | | | |
| 7226.91.05 | 00 | Of chipper knife steel | kg | Free | | 34% |
| 7227.90.10 | | Not tempered, not treated, and not partly manufactured | | Free | | 12% |
| 7228.30.40 | 00 | Of chipper knife steel, not cold-formed | kg | Free | | 28% |
| 7229.20.00 | 10 | Round, with a diameter of less than or equal to 1.6 mm, containing by weight less than 0.20 percent of carbon, more than 0.9 percent of manganese, and more than 0.6 percent of silicon, and suitable for electric arc welding: | | | | |
| 7229.20.00 | 10 | Plated or coated with copper | kg | | | |
| 7229.90.50 | 06 | With a diameter of less than or equal to 1.6 mm, containing by weight less than 0.20 percent of carbon and more than 0.3 percent of nickel or more than 0.08 percent of molybdenum, and suitable for electric arc welding: | | | | |
| 7229.90.50 | 06 | Plated or coated with copper | kg | | | |
| 7302 | | Railway or tramway track construction material of iron or steel, the following: rails, check-rails and rack rails, switch blades, crossing frogs, point rods and other crossing pieces, sleepers (cross-ties), fish-plates, chairs, chair wedges, sole plates (base plates), rail clips, bedplates, ties and other material specialized for jointing or fixing rails: | | | | |
| 7302.10.10 | 10 | Standard tee rails over 30 kg per meter | kg | | | |
| 7302.10.10 | 15 | Over 30 kg per meter | kg | | | |
| 7302.10.10 | 35 | Standard tee rails over 30 kg per meter | kg | | | |
| 7302.10.10 | 45 | Over 30 kg per meter | kg | | | |
| 7302.90.10 | 00 | Sleepers (cross-ties) | kg | Free | | 2% |
| 7304.31.60 | 10 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | kg | | | |
| 7304.39.00 | 02 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters: | | | | |
| 7304.41.30 | 15 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | kg | | | |
| 7304.41.60 | 15 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | kg | | | |
| 7304.49.00 | 45 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | kg | | | |