# United States tariff lines under HS 7218.91

> The United States tariff splits HS 7218.91 (other: Of rectangular (other than square) cross-section) into 3 national lines: 7218.91.00.15 (having a cross-sectional area of less than 232 cm2), 7218.91.00.30 (having a cross-sectional area of 232 cm2 or more) and 7218.91.00.60 (having a width at least four times the thickness). Every United States line under 7218.91 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/721891
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) / [7218.91](https://border.bot/countries/united-states/hs-codes/721891)

## Key facts

- HS subheading: [7218.91](https://border.bot/hs-codes/721891)
- Duty (MFN): Free
- National lines: 3
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 72: Iron and steel

## United States lines under 7218.91

The United States tariff splits HS 7218.91 (other: Of rectangular (other than square) cross-section) into 3 national lines: 7218.91.00.15 (having a cross-sectional area of less than 232 cm2), 7218.91.00.30 (having a cross-sectional area of 232 cm2 or more) and 7218.91.00.60 (having a width at least four times the thickness).

Every United States line under 7218.91 is free of general (MFN) duty.

- [7218.91.00.15](https://border.bot/countries/united-states/hs-codes/7218910015) Other, Of rectangular (other than square) cross-section, Having a width less than four times the thickness, Having a cross-sectional area of less than 232 cm2. Duty (MFN): free
- [7218.91.00.30](https://border.bot/countries/united-states/hs-codes/7218910030) Other, Of rectangular (other than square) cross-section, Having a width less than four times the thickness, Having a cross-sectional area of 232 cm2 or more. Duty (MFN): free
- [7218.91.00.60](https://border.bot/countries/united-states/hs-codes/7218910060) Other, Of rectangular (other than square) cross-section, Having a width at least four times the thickness. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 7218.91 yet.

- [The Harmonized System text for 7218.91](https://border.bot/hs-codes/721891)

- Previous subheading: [7218.10](https://border.bot/countries/united-states/hs-codes/721810) Stainless steel in ingots or other primary forms; semi-finished products of stainless steel
- Next subheading: [7218.99](https://border.bot/countries/united-states/hs-codes/721899) Stainless steel in ingots or other primary forms; semi-finished products of stainless steel

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 7218.91?

The United States tariff splits HS 7218.91 (other: Of rectangular (other than square) cross-section) into 3 national lines: 7218.91.00.15 (having a cross-sectional area of less than 232 cm2), 7218.91.00.30 (having a cross-sectional area of 232 cm2 or more) and 7218.91.00.60 (having a width at least four times the thickness).

### What is the duty on HS 7218.91 in the United States?

Every United States line under 7218.91 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/721891.json