Analysis
Heading 7608 of the Harmonized Tariff Schedule covers aluminum tubes and pipes. It divides into 2 six-digit subheadings and 2 eight-digit tariff lines, with 4 ten-digit statistical suffixes below them.
None of its 2 lines is duty-free at the general rate. Rates run from 5.7% to 5.7% with a median of 5.7%, so the line you choose sets the duty.
Its median rate of 5.7% sits at the 86th percentile of the headings in chapter 76.
The largest subheadings are 7608.10 (unnamed, 1 line) and 7608.20 (unnamed, 1 line).
By Census's concordance, most of its statistical lines are made by Other Aluminum Rolling, Drawing, and Extruding (331318). Those are the NAICS industries a US producer of these goods would report under.
The heading text decides whether a product belongs here at all (General Rule of Interpretation 1); the subheadings and lines below it only apply once that is settled. Section and chapter notes can override the heading wording, so read them for borderline goods.
Tariff lines
| Line | Description | General rate |
|---|---|---|
| 7608.10.00 | Of aluminum, not alloyed | 5.7% |
| 7608.20.00 | Of aluminum alloys | 5.7% |