# United States tariff lines under HS 7304.19

> The United States tariff splits HS 7304.19 (line pipe of a kind used for oil or gas pipelines: Other) into 8 national lines: 7304.19.10.20 (having an outside diameter not exceeding 114.3 mm), 7304.19.10.30 (having an outside diameter exceeding 114.3 mm but less than 215.9 mm), 7304.19.10.45 (having a wall thickness less than 12.7 mm), 7304.19.10.60 (having a wall thickness of 12.7 mm or more) and 4 others. Every United States line under 7304.19 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/730419
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) / [7304.19](https://border.bot/countries/united-states/hs-codes/730419)

## Key facts

- HS subheading: [7304.19](https://border.bot/hs-codes/730419)
- Duty (MFN): Free
- National lines: 8
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 73: Articles of iron or steel

## United States lines under 7304.19

The United States tariff splits HS 7304.19 (line pipe of a kind used for oil or gas pipelines: Other) into 8 national lines: 7304.19.10.20 (having an outside diameter not exceeding 114.3 mm), 7304.19.10.30 (having an outside diameter exceeding 114.3 mm but less than 215.9 mm), 7304.19.10.45 (having a wall thickness less than 12.7 mm), 7304.19.10.60 (having a wall thickness of 12.7 mm or more) and 4 others.

Every United States line under 7304.19 is free of general (MFN) duty.

- [7304.19.10.20](https://border.bot/countries/united-states/hs-codes/7304191020) Line pipe of a kind used for oil or gas pipelines, Other, Of iron or nonalloy steel, Having an outside diameter not exceeding 114.3 mm. Duty (MFN): free
- [7304.19.10.30](https://border.bot/countries/united-states/hs-codes/7304191030) Line pipe of a kind used for oil or gas pipelines, Other, Of iron or nonalloy steel, Having an outside diameter exceeding 114.3 mm but less than 215.9 mm. Duty (MFN): free
- [7304.19.10.45](https://border.bot/countries/united-states/hs-codes/7304191045) Line pipe of a kind used for oil or gas pipelines, Other, Of iron or nonalloy steel, Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm, Having a wall thickness less than 12.7 mm. Duty (MFN): free
- [7304.19.10.60](https://border.bot/countries/united-states/hs-codes/7304191060) Line pipe of a kind used for oil or gas pipelines, Other, Of iron or nonalloy steel, Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm, Having a wall thickness of 12.7 mm or more. Duty (MFN): free
- [7304.19.10.80](https://border.bot/countries/united-states/hs-codes/7304191080) Line pipe of a kind used for oil or gas pipelines, Other, Of iron or nonalloy steel, Having an outside diameter exceeding 406.4 mm. Duty (MFN): free
- [7304.19.50.20](https://border.bot/countries/united-states/hs-codes/7304195020) Line pipe of a kind used for oil or gas pipelines, Other, Of other alloy steel, Having an outside diameter not exceeding 114.3 mm. Duty (MFN): free
- [7304.19.50.50](https://border.bot/countries/united-states/hs-codes/7304195050) Line pipe of a kind used for oil or gas pipelines, Other, Of other alloy steel, Having an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm. Duty (MFN): free
- [7304.19.50.80](https://border.bot/countries/united-states/hs-codes/7304195080) Line pipe of a kind used for oil or gas pipelines, Other, Of other alloy steel, Having an outside diameter exceeding 406.4 mm. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 7304.19 yet.

- [The Harmonized System text for 7304.19](https://border.bot/hs-codes/730419)

- Previous subheading: [7304.11](https://border.bot/countries/united-states/hs-codes/730411) Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel
- Next subheading: [7304.22](https://border.bot/countries/united-states/hs-codes/730422) Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 7304.19?

The United States tariff splits HS 7304.19 (line pipe of a kind used for oil or gas pipelines: Other) into 8 national lines: 7304.19.10.20 (having an outside diameter not exceeding 114.3 mm), 7304.19.10.30 (having an outside diameter exceeding 114.3 mm but less than 215.9 mm), 7304.19.10.45 (having a wall thickness less than 12.7 mm), 7304.19.10.60 (having a wall thickness of 12.7 mm or more) and 4 others.

### What is the duty on HS 7304.19 in the United States?

Every United States line under 7304.19 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/730419.json