# HS code 7306.29: Casing and tubing of a kind used in drilling for oil or gas

> HS code 7306.29 covers casing and tubing of a kind used in drilling for oil or gas, other than those classified in 7306.21. It sits in heading 73.06 (other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel) in chapter 73 (articles of iron or steel). Other goods of heading 73.06 are classified under 7306.11 (line pipe of a kind used for oil or gas pipelines, welded, of stainless steel), 7306.19 (line pipe of a kind used for oil or gas pipelines, other), 7306.21 (casing and tubing of a kind used in drilling for oil or gas, welded, of stainless steel), 7306.30 (other, welded, of circular cross-section, of iron or non-alloy steel) or 5 others. National tariff lines under 7306.29 are live on border.bot for the United States (9 lines, also used by 1 other country).

Source: https://border.bot/hs-codes/730629
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 73](https://border.bot/hs-codes/73) / [73.06](https://border.bot/hs-codes/7306) / [7306.29](https://border.bot/hs-codes/730629)

## Key facts

- HS code: 7306.29
- Covers: Casing and tubing of a kind used in drilling for oil or gas
- Heading: [73.06: Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel](https://border.bot/hs-codes/7306)
- Chapter: [73: Articles of iron or steel](https://border.bot/hs-codes/73)
- Edition: HS2022
- Duty in the United States: [See its 9 lines](https://border.bot/countries/united-states/hs-codes/730629)

## What this code covers

HS code 7306.29 covers casing and tubing of a kind used in drilling for oil or gas, other than those classified in 7306.21.

The legal text of the subheading is “Casing and tubing of a kind used in drilling for oil or gas: Other”, read under “Casing and tubing of a kind used in drilling for oil or gas”, in HS2022.

## What it doesn’t cover

Other goods of heading 73.06 are classified under 7306.11 (line pipe of a kind used for oil or gas pipelines, welded, of stainless steel), 7306.19 (line pipe of a kind used for oil or gas pipelines, other), 7306.21 (casing and tubing of a kind used in drilling for oil or gas, welded, of stainless steel), 7306.30 (other, welded, of circular cross-section, of iron or non-alloy steel) or 5 others.

- [7306.11](https://border.bot/hs-codes/730611) Line pipe of a kind used for oil or gas pipelines: Welded, of stainless steel
- [7306.19](https://border.bot/hs-codes/730619) Line pipe of a kind used for oil or gas pipelines: Other
- [7306.21](https://border.bot/hs-codes/730621) Casing and tubing of a kind used in drilling for oil or gas: Welded, of stainless steel
- [7306.30](https://border.bot/hs-codes/730630) Other, welded, of circular cross-section, of iron or non-alloy steel
- [7306.40](https://border.bot/hs-codes/730640) Other, welded, of circular cross-section, of stainless steel
- [7306.50](https://border.bot/hs-codes/730650) Other, welded, of circular cross-section, of other alloy steel
- [7306.61](https://border.bot/hs-codes/730661) Other, welded, of non-circular cross-section: Of square or rectangular cross-section
- [7306.69](https://border.bot/hs-codes/730669) Other, welded, of non-circular cross-section: Of other non-circular cross-section
- [7306.90](https://border.bot/hs-codes/730690) Other

## How it is structured

7306.29 is a six-digit subheading. Its first two digits, 73, are the chapter; the first four, 7306, are heading 73.06; the last two, 29, identify the subheading within the heading.

Countries add their own digits after these six for their national tariff lines.

- Chapter 73: Articles of iron or steel
- Heading 73.06: Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel
- Within the heading: Casing and tubing of a kind used in drilling for oil or gas
- Subheading 7306.29: Other

## In other countries

National tariff lines under 7306.29 are live on border.bot for the United States (9 lines, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/730629): 9 lines, used by 1 other country

- Previous subheading: [7306.21](https://border.bot/hs-codes/730621) Casing and tubing of a kind used in drilling for oil or gas: Welded, of stainless steel
- Next subheading: [7306.30](https://border.bot/hs-codes/730630) Other, welded, of circular cross-section, of iron or non-alloy steel

## Frequently asked questions

### What does HS code 7306.29 cover?

HS code 7306.29 covers casing and tubing of a kind used in drilling for oil or gas, other than those classified in 7306.21.

### Which heading and chapter is HS code 7306.29 in?

HS code 7306.29 is in heading 73.06 (other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel) in chapter 73 (articles of iron or steel).

### Where are goods of heading 73.06 classified when 7306.29 doesn’t fit?

Other goods of heading 73.06 are classified under 7306.11 (line pipe of a kind used for oil or gas pipelines, welded, of stainless steel), 7306.19 (line pipe of a kind used for oil or gas pipelines, other), 7306.21 (casing and tubing of a kind used in drilling for oil or gas, welded, of stainless steel), 7306.30 (other, welded, of circular cross-section, of iron or non-alloy steel) or 5 others.

### Which countries’ tariffs list national lines under HS code 7306.29?

National tariff lines under 7306.29 are live on border.bot for the United States (9 lines, also used by 1 other country).

## Sources and updates

The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.

This page was last updated on 11 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.

Machine-readable: https://border.bot/hs-codes/730629.json