general: See U.S. note 16 to subchapter III, chapter 99.
general: See 9903.91.01.
| Code | Description | Units |
|---|---|---|
| 7217.90.50.30 | Containing by weight less than 0.25 percent of carbon | kg |
| 7217.90.50.60 | Containing by weight 0.25 percent or more but less than 0.6 percent of carbon | kg |
| 7217.90.50.90 | Containing by weight 0.6 percent or more of carbon | kg |