Analysis
Subheading 7202.21 covers containing by weight more than 55 percent of silicon, within heading 7202. The first six digits are shared by every country that uses the Harmonized System, so this part of the code is the same in the US, UK and EU schedules; the 4 US tariff lines below it are national.
None of its 4 lines is duty-free at the general rate. Rates run from 1.1% to 5.8% with a median of 1.7%, so the line you choose sets the duty.
The US splits it as follows: 7202.21.10 for containing by weight more than 3 percent of calcium (1.1%), 7202.21.50 for containing by weight more than 55 percent but not more than 80… (1.5%), 7202.21.75 for containing by weight more than 80 percent but not more than 90… (1.9%) and 7202.21.90 for containing by weight more than 90 percent of silicon (5.8%).
By Census's concordance, most of its statistical lines are made by Iron and Steel Mills and Ferroalloy Manufacturing (331110). Those are the NAICS industries a US producer of these goods would report under.
Tariff lines
| Line | Description | General rate |
|---|---|---|
| 7202.21.10 | Containing by weight more than 3 percent of calcium | 1.1% |
| 7202.21.50 | Containing by weight more than 55 percent but not more than 80 percent of silicon: other | 1.5% |
| 7202.21.75 | Containing by weight more than 80 percent but not more than 90 percent of silicon | 1.9% |
| 7202.21.90 | Containing by weight more than 90 percent of silicon | 5.8% |