# United States tariff lines under HS 7320.20

> The United States tariff splits HS 7320.20 (helical springs) into 5 national lines: 7320.20.10.00 (suitable for motor-vehicle suspension), 7320.20.50.10 (suitable for use in mattress supports and mattresses of heading 9404), 7320.20.50.20 (other), 7320.20.50.45 (helical springs, of wire having a cross-sectional dimension of 5.1 mm or more but less than 12.7 mm) and 1 other. The general (MFN) duty differs by line: 3.2% on 7320.20.10.00, 3.9% on 7320.20.50.10, 3.9% on 7320.20.50.20, 3.9% on 7320.20.50.45 and 3.9% on 7320.20.50.60.

Source: https://border.bot/countries/united-states/hs-codes/732020
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 73](https://border.bot/countries/united-states/hs-codes/73) / [7320.20](https://border.bot/countries/united-states/hs-codes/732020)

## Key facts

- HS subheading: [7320.20](https://border.bot/hs-codes/732020)
- National lines: 5
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 73: Articles of iron or steel

## United States lines under 7320.20

The United States tariff splits HS 7320.20 (helical springs) into 5 national lines: 7320.20.10.00 (suitable for motor-vehicle suspension), 7320.20.50.10 (suitable for use in mattress supports and mattresses of heading 9404), 7320.20.50.20 (other), 7320.20.50.45 (helical springs, of wire having a cross-sectional dimension of 5.1 mm or more but less than 12.7 mm) and 1 other.

The general (MFN) duty differs by line: 3.2% on 7320.20.10.00, 3.9% on 7320.20.50.10, 3.9% on 7320.20.50.20, 3.9% on 7320.20.50.45 and 3.9% on 7320.20.50.60.

- [7320.20.10.00](https://border.bot/countries/united-states/hs-codes/7320201000) Helical springs, Suitable for motor-vehicle suspension. Duty (MFN): 3.2%
- [7320.20.50.10](https://border.bot/countries/united-states/hs-codes/7320205010) Helical springs, Other, Helical springs, of wire having a cross-sectional dimension of less than 5.1 mm, Suitable for use in mattress supports and mattresses of heading 9404. Duty (MFN): 3.9%
- [7320.20.50.20](https://border.bot/countries/united-states/hs-codes/7320205020) Helical springs, Other, Helical springs, of wire having a cross-sectional dimension of less than 5.1 mm, Other. Duty (MFN): 3.9%
- [7320.20.50.45](https://border.bot/countries/united-states/hs-codes/7320205045) Helical springs, Other, Helical springs, of wire having a cross-sectional dimension of 5.1 mm or more but less than 12.7 mm. Duty (MFN): 3.9%
- [7320.20.50.60](https://border.bot/countries/united-states/hs-codes/7320205060) Helical springs, Other, Other. Duty (MFN): 3.9%

## In other countries

No other national tariff on border.bot has live lines under 7320.20 yet.

- [The Harmonized System text for 7320.20](https://border.bot/hs-codes/732020)

- Previous subheading: [7320.10](https://border.bot/countries/united-states/hs-codes/732010) Leaf springs and leaves therefor
- Next subheading: [7320.90](https://border.bot/countries/united-states/hs-codes/732090) Other

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 7320.20?

The United States tariff splits HS 7320.20 (helical springs) into 5 national lines: 7320.20.10.00 (suitable for motor-vehicle suspension), 7320.20.50.10 (suitable for use in mattress supports and mattresses of heading 9404), 7320.20.50.20 (other), 7320.20.50.45 (helical springs, of wire having a cross-sectional dimension of 5.1 mm or more but less than 12.7 mm) and 1 other.

### What is the duty on HS 7320.20 in the United States?

The general (MFN) duty differs by line: 3.2% on 7320.20.10.00, 3.9% on 7320.20.50.10, 3.9% on 7320.20.50.20, 3.9% on 7320.20.50.45 and 3.9% on 7320.20.50.60.

## 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/732020.json