# United States tariff lines under HS 8103.91

> The United States tariff splits HS 8103.91 (other: Crucibles) into 1 national line: 8103.91.00.00 (crucibles). The general (MFN) duty is 4.4% on this line.

Source: https://border.bot/countries/united-states/hs-codes/810391
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 81](https://border.bot/countries/united-states/hs-codes/81) / [8103.91](https://border.bot/countries/united-states/hs-codes/810391)

## Key facts

- HS subheading: [8103.91](https://border.bot/hs-codes/810391)
- Duty (MFN): 4.4%
- National lines: 1
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 81: Other base metals; cermets; articles thereof

## United States lines under 8103.91

The United States tariff splits HS 8103.91 (other: Crucibles) into 1 national line: 8103.91.00.00 (crucibles).

The general (MFN) duty is 4.4% on this line.

- [8103.91.00.00](https://border.bot/countries/united-states/hs-codes/8103910000) Other, Crucibles. Duty (MFN): 4.4%

## In other countries

No other national tariff on border.bot has live lines under 8103.91 yet.

- [The Harmonized System text for 8103.91](https://border.bot/hs-codes/810391)

- Previous subheading: [8103.30](https://border.bot/countries/united-states/hs-codes/810330) Tantalum and articles thereof, including waste and scrap
- Next subheading: [8103.99](https://border.bot/countries/united-states/hs-codes/810399) Tantalum and articles thereof, including waste and scrap

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 8103.91?

The United States tariff splits HS 8103.91 (other: Crucibles) into 1 national line: 8103.91.00.00 (crucibles).

### What is the duty on HS 8103.91 in the United States?

The general (MFN) duty is 4.4% on this line.

## 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/810391.json