| 7227.20.00 | | Of silico-manganese steel | | Free | | 10% |
| 7227.90.60 | 10 | Of Cold Heading Quality (CHQ) steel, as defined in statistical note 5 to this chapter | kg | | | |
| 7228.10.00 | 10 | Not cold-formed | kg | | | |
| 7228.10.00 | 30 | Cold-formed: | | | | |
| 7228.20 | | Bars and rods, of silico-manganese steel: | | | | |
| 7228.20.10 | 00 | Not cold-formed | kg | Free | | 28% |
| 7228.20.50 | 00 | Cold-formed | kg | Free | | 28% |
| 7228.30.40 | 00 | Of chipper knife steel, not cold-formed | kg | Free | | 28% |
| 7228.50 | | Other bars and rods, not further worked than cold- formed or cold-finished: | | | | |
| 7228.60.60 | 00 | Not cold-formed | kg | Free | | 28% |
| 7228.60.80 | 00 | Cold-formed | kg | Free | | 28% |
| 7229.20.00 | | Of silico-manganese steel | | Free | | 33% |
| 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: | | | | |
| 7304.24.30 | | Threaded or coupled | | Free | | 28% |
| 7304.29.10 | | Threaded or coupled | | Free | | 20% |
| 7304.29.31 | | Threaded or coupled | | Free | | 28% |
| 7304.31 | | Cold-drawn or cold-rolled (cold-reduced): | | | | |
| 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 | | Cold-drawn or cold-rolled (cold-reduced): | | | | |
| 7304.41.30 | 15 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | kg | | | |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
