# HS code 7307.23: Other, of stainless steel, butt welding fittings

> HS code 7307.23 covers other, of stainless steel, butt welding fittings. It sits in heading 73.07 (tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel) in chapter 73 (articles of iron or steel). Other goods of heading 73.07 are classified under 7307.11 (cast fittings, of non-malleable cast iron), 7307.19 (cast fittings, other), 7307.21 (other, of stainless steel, flanges), 7307.22 (other, of stainless steel, threaded elbows, bends or sleeves) and 5 others.

Source: https://staging.border.bot/hs-codes/730723
Last updated: 13 October 2026

[HS codes](https://staging.border.bot/hs-codes) / [Chapter 73](https://staging.border.bot/hs-codes/73) / [73.07](https://staging.border.bot/hs-codes/7307) / [7307.23](https://staging.border.bot/hs-codes/730723)

## Key facts

- HS code: 7307.23
- Covers: Other, of stainless steel, butt welding fittings
- Heading: [73.07: Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel](https://staging.border.bot/hs-codes/7307)
- Chapter: [73: Articles of iron or steel](https://staging.border.bot/hs-codes/73)
- Edition: HS2022
- Duty rates: [Set by each country’s tariff](https://staging.border.bot/countries)

## What this code covers

HS code 7307.23 covers other, of stainless steel, butt welding fittings.

The legal text of the subheading is “Other, of stainless steel: Butt welding fittings”, read under “Other, of stainless steel”, in HS2022.

## What it doesn’t cover

Other goods of heading 73.07 are classified under 7307.11 (cast fittings, of non-malleable cast iron), 7307.19 (cast fittings, other), 7307.21 (other, of stainless steel, flanges), 7307.22 (other, of stainless steel, threaded elbows, bends or sleeves) and 5 others.

- [7307.11](https://staging.border.bot/hs-codes/730711) Cast fittings: Of non-malleable cast iron
- [7307.19](https://staging.border.bot/hs-codes/730719) Cast fittings: Other
- [7307.21](https://staging.border.bot/hs-codes/730721) Other, of stainless steel: Flanges
- [7307.22](https://staging.border.bot/hs-codes/730722) Other, of stainless steel: Threaded elbows, bends and sleeves
- [7307.29](https://staging.border.bot/hs-codes/730729) Other, of stainless steel: Other
- [7307.91](https://staging.border.bot/hs-codes/730791) Other: Flanges
- [7307.92](https://staging.border.bot/hs-codes/730792) Other: Threaded elbows, bends and sleeves
- [7307.93](https://staging.border.bot/hs-codes/730793) Other: Butt welding fittings
- [7307.99](https://staging.border.bot/hs-codes/730799) Other: Other

## How it is structured

7307.23 is a six-digit subheading. Its first two digits, 73, are the chapter; the first four, 7307, are heading 73.07; the last two, 23, 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 73.07: Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel
- Within the heading: Other, of stainless steel
- Subheading 7307.23: Butt welding fittings

## In other countries

No national tariff lines under 7307.23 are live on border.bot yet. Tariffs built on the Harmonized System (HS2022) use 7307.23 at six digits and add their own digits after it.

- Previous subheading: [7307.22](https://staging.border.bot/hs-codes/730722) Other, of stainless steel: Threaded elbows, bends and sleeves
- Next subheading: [7307.29](https://staging.border.bot/hs-codes/730729) Other, of stainless steel: Other

## Frequently asked questions

### What does HS code 7307.23 cover?

HS code 7307.23 covers other, of stainless steel, butt welding fittings.

### Which heading and chapter is HS code 7307.23 in?

HS code 7307.23 is in heading 73.07 (tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel) in chapter 73 (articles of iron or steel).

### Where are goods of heading 73.07 classified when 7307.23 doesn’t fit?

Other goods of heading 73.07 are classified under 7307.11 (cast fittings, of non-malleable cast iron), 7307.19 (cast fittings, other), 7307.21 (other, of stainless steel, flanges), 7307.22 (other, of stainless steel, threaded elbows, bends or sleeves) and 5 others.

## Sources and updates

The Harmonized System legal text comes from border.bot release 1 (edition HS 2022), imported from a file, and has been live since 13 October 2026.

This page was last updated on 13 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://staging.border.bot/hs-codes/730723.json