From Chapter 74: Chapter 74
| HTS Code | Description | General Duty |
|---|---|---|
| 7405001000 | Master alloys of copper Containing by weight 5 percent or more but not more than 15 percent of phosphorus | Free |
| 7405006000 | Master alloys of copper Other | Free |
| 7405006030 | Other Beryllium copper master alloy | Free |
| 7405006050 | Other | Free |