# United States tariff line 7304.23.60.45: Having a wall thickness exceeding 9.5 mm

> In the United States tariff, line 7304.23.60.45 covers casing, tubing and drill pipe, of a kind used in drilling for oil or gas, other drill pipe, of alloy steel, having an outside diameter not exceeding 168.3 mm, having a wall thickness exceeding 9.5 mm. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 7304.23 in heading 73.04 (chapter 73).

Source: https://border.bot/countries/united-states/hs-codes/7304236045
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) / [7304.23](https://border.bot/countries/united-states/hs-codes/730423) / [7304.23.60.45](https://border.bot/countries/united-states/hs-codes/7304236045)

## Key facts

- Tariff line: 7304.23.60.45
- Covers: Casing, tubing and drill pipe, of a kind used in drilling for oil or gas, other drill pipe, of alloy steel, having an outside diameter not exceeding 168.3 mm, having a wall thickness exceeding 9.5 mm
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [7304.23](https://border.bot/hs-codes/730423)

## What this line covers

In the United States tariff, line 7304.23.60.45 covers casing, tubing and drill pipe, of a kind used in drilling for oil or gas, other drill pipe, of alloy steel, having an outside diameter not exceeding 168.3 mm, having a wall thickness exceeding 9.5 mm.

Its legal text is “Having a wall thickness exceeding 9.5 mm”, read under “Casing, tubing and drill pipe, of a kind used in drilling for oil or gas”, “Other drill pipe”, “Of alloy steel” and “Having an outside diameter not exceeding 168.3 mm”.

## How it is structured

It falls under HS subheading 7304.23 in heading 73.04 (chapter 73). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 73: Articles of iron or steel
- Heading 73.04: Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel
- Subheading 7304.23: Casing, tubing and drill pipe, of a kind used in drilling for oil or gas
- Within the subheading: Other drill pipe
- Within the subheading: Of alloy steel
- Within the subheading: Having an outside diameter not exceeding 168.3 mm
- Line 7304.23.60.45: Having a wall thickness exceeding 9.5 mm

## Duty

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

The rate is published on 7304.23.60.

## In other countries

No other national tariff on border.bot has live lines under 7304.23 yet.

- [The Harmonized System text for 7304.23](https://border.bot/hs-codes/730423)

## Other lines under 7304.23

- [7304.23.30.00](https://border.bot/countries/united-states/hs-codes/7304233000) Of iron or nonalloy steel
- [7304.23.60.30](https://border.bot/countries/united-states/hs-codes/7304236030) Having a wall thickness not exceeding 9.5 mm
- [7304.23.60.60](https://border.bot/countries/united-states/hs-codes/7304236060) Having an outside diameter exceeding 168.3 mm

- Previous line: [7304.23.60.30](https://border.bot/countries/united-states/hs-codes/7304236030) Having a wall thickness not exceeding 9.5 mm
- Next line: [7304.23.60.60](https://border.bot/countries/united-states/hs-codes/7304236060) Having an outside diameter exceeding 168.3 mm

## Frequently asked questions

### What does tariff line 7304.23.60.45 cover in the United States tariff?

In the United States tariff, line 7304.23.60.45 covers casing, tubing and drill pipe, of a kind used in drilling for oil or gas, other drill pipe, of alloy steel, having an outside diameter not exceeding 168.3 mm, having a wall thickness exceeding 9.5 mm.

### What is the general (MFN) duty on 7304.23.60.45 in the United States?

Goods under this line enter free of general (MFN) duty. The rate is published on 7304.23.60.

## 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/7304236045.json