# United States tariff lines under HS 7216.31

> The United States tariff splits HS 7216.31 (U, I or H sections, not further worked than hot-rolled, hot-drawn or extruded, of a height of 80 mm or more: U sections) into 1 national line: 7216.31.00.00 (U sections). Every United States line under 7216.31 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/721631
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 72](https://border.bot/countries/united-states/hs-codes/72) / [7216.31](https://border.bot/countries/united-states/hs-codes/721631)

## Key facts

- HS subheading: [7216.31](https://border.bot/hs-codes/721631)
- Duty (MFN): Free
- National lines: 1
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 72: Iron and steel

## United States lines under 7216.31

The United States tariff splits HS 7216.31 (U, I or H sections, not further worked than hot-rolled, hot-drawn or extruded, of a height of 80 mm or more: U sections) into 1 national line: 7216.31.00.00 (U sections).

Every United States line under 7216.31 is free of general (MFN) duty.

- [7216.31.00.00](https://border.bot/countries/united-states/hs-codes/7216310000) U, I or H sections, not further worked than hot-rolled, hot-drawn or extruded, of a height of 80 mm or more, U sections. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 7216.31 yet.

- [The Harmonized System text for 7216.31](https://border.bot/hs-codes/721631)

- Previous subheading: [7216.22](https://border.bot/countries/united-states/hs-codes/721622) Angles, shapes and sections of iron or nonalloy steel
- Next subheading: [7216.32](https://border.bot/countries/united-states/hs-codes/721632) Angles, shapes and sections of iron or nonalloy steel

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 7216.31?

The United States tariff splits HS 7216.31 (U, I or H sections, not further worked than hot-rolled, hot-drawn or extruded, of a height of 80 mm or more: U sections) into 1 national line: 7216.31.00.00 (U sections).

### What is the duty on HS 7216.31 in the United States?

Every United States line under 7216.31 is free of general (MFN) duty.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/721631.json