# United States tariff line 7210.30.00.30: Of high-strength steel

> In the United States tariff, line 7210.30.00.30 covers electrolytically plated or coated with zinc, of high-strength steel. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 7210.30 in heading 72.10 (chapter 72).

Source: https://border.bot/countries/united-states/hs-codes/7210300030
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) / [7210.30](https://border.bot/countries/united-states/hs-codes/721030) / [7210.30.00.30](https://border.bot/countries/united-states/hs-codes/7210300030)

## Key facts

- Tariff line: 7210.30.00.30
- Covers: Electrolytically plated or coated with zinc, of high-strength steel
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [7210.30](https://border.bot/hs-codes/721030)

## What this line covers

In the United States tariff, line 7210.30.00.30 covers electrolytically plated or coated with zinc, of high-strength steel.

Its legal text is “Of high-strength steel”, read under “Electrolytically plated or coated with zinc”.

## How it is structured

It falls under HS subheading 7210.30 in heading 72.10 (chapter 72). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 72: Iron and steel
- Heading 72.10: Flat-rolled products of iron or nonalloy steel, of a width of 600 mm or more, clad, plated or coated
- Subheading 7210.30: Electrolytically plated or coated with zinc
- Line 7210.30.00.30: Of high-strength steel

## Duty

Goods under this line enter free of general (MFN) duty.

The rate is published on 7210.30.00.

## In other countries

No other national tariff on border.bot has live lines under 7210.30 yet.

- [The Harmonized System text for 7210.30](https://border.bot/hs-codes/721030)

## Other lines under 7210.30

- [7210.30.00.60](https://border.bot/countries/united-states/hs-codes/7210300060) Other

- Previous line: [7210.20.00.00](https://border.bot/countries/united-states/hs-codes/7210200000) Plated or coated with lead, including terne-plate
- Next line: [7210.30.00.60](https://border.bot/countries/united-states/hs-codes/7210300060) Other

## Frequently asked questions

### What does tariff line 7210.30.00.30 cover in the United States tariff?

In the United States tariff, line 7210.30.00.30 covers electrolytically plated or coated with zinc, of high-strength steel.

### What is the general (MFN) duty on 7210.30.00.30 in the United States?

Goods under this line enter free of general (MFN) duty. The rate is published on 7210.30.00.

## 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/7210300030.json