# United States tariff lines under HS 8455.30

> The United States tariff splits HS 8455.30 (rolls for rolling mills) into 9 national lines: 8455.30.00.05 (not exceeding 2,268 kg), 8455.30.00.15 (exceeding 2,268 kg but not exceeding 6,803.9 kg), 8455.30.00.25 (exceeding 6,803.9 kg), 8455.30.00.35 (not exceeding 2,268 kg) and 5 others. Every United States line under 8455.30 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/845530
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 84](https://border.bot/countries/united-states/hs-codes/84) / [8455.30](https://border.bot/countries/united-states/hs-codes/845530)

## Key facts

- HS subheading: [8455.30](https://border.bot/hs-codes/845530)
- Duty (MFN): Free
- National lines: 9
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

## United States lines under 8455.30

The United States tariff splits HS 8455.30 (rolls for rolling mills) into 9 national lines: 8455.30.00.05 (not exceeding 2,268 kg), 8455.30.00.15 (exceeding 2,268 kg but not exceeding 6,803.9 kg), 8455.30.00.25 (exceeding 6,803.9 kg), 8455.30.00.35 (not exceeding 2,268 kg) and 5 others.

Every United States line under 8455.30 is free of general (MFN) duty.

- [8455.30.00.05](https://border.bot/countries/united-states/hs-codes/8455300005) Rolls for rolling mills, Gray iron, Not exceeding 2,268 kg. Duty (MFN): free
- [8455.30.00.15](https://border.bot/countries/united-states/hs-codes/8455300015) Rolls for rolling mills, Gray iron, Exceeding 2,268 kg but not exceeding 6,803.9 kg. Duty (MFN): free
- [8455.30.00.25](https://border.bot/countries/united-states/hs-codes/8455300025) Rolls for rolling mills, Gray iron, Exceeding 6,803.9 kg. Duty (MFN): free
- [8455.30.00.35](https://border.bot/countries/united-states/hs-codes/8455300035) Rolls for rolling mills, Cast steel, Not exceeding 2,268 kg. Duty (MFN): free
- [8455.30.00.45](https://border.bot/countries/united-states/hs-codes/8455300045) Rolls for rolling mills, Cast steel, Exceeding 2,268 kg but not exceeding 6,803.9 kg. Duty (MFN): free
- [8455.30.00.55](https://border.bot/countries/united-states/hs-codes/8455300055) Rolls for rolling mills, Cast steel, Exceeding 6,803.9 kg. Duty (MFN): free
- [8455.30.00.65](https://border.bot/countries/united-states/hs-codes/8455300065) Rolls for rolling mills, Other, Not exceeding 2,268 kg. Duty (MFN): free
- [8455.30.00.75](https://border.bot/countries/united-states/hs-codes/8455300075) Rolls for rolling mills, Other, Exceeding 2,268 kg but not exceeding 6,803.9 kg. Duty (MFN): free
- [8455.30.00.85](https://border.bot/countries/united-states/hs-codes/8455300085) Rolls for rolling mills, Other, Exceeding 6,803.9 kg. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 8455.30 yet.

- [The Harmonized System text for 8455.30](https://border.bot/hs-codes/845530)

- Previous subheading: [8455.22](https://border.bot/countries/united-states/hs-codes/845522) Metal-rolling mills and rolls therefor; parts thereof
- Next subheading: [8455.90](https://border.bot/countries/united-states/hs-codes/845590) Other parts

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 8455.30?

The United States tariff splits HS 8455.30 (rolls for rolling mills) into 9 national lines: 8455.30.00.05 (not exceeding 2,268 kg), 8455.30.00.15 (exceeding 2,268 kg but not exceeding 6,803.9 kg), 8455.30.00.25 (exceeding 6,803.9 kg), 8455.30.00.35 (not exceeding 2,268 kg) and 5 others.

### What is the duty on HS 8455.30 in the United States?

Every United States line under 8455.30 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/845530.json