# HS code 7309.00: Reservoirs, tanks, vats and similar containers for any material (other than compressed or liquefied gas), of iron or steel, of a capacity exceeding 300l, whether or not lined or heat-insulated, but not fitted with mechanical or thermal equipment

> HS code 7309.00 covers reservoirs, tanks, vats and similar containers for any material (other than compressed or liquefied gas), of iron or steel, of a capacity exceeding 300l, whether or not lined or heat-insulated, but not fitted with mechanical or thermal equipment. It sits in heading 73.09 (reservoirs, tanks, vats and similar containers for any material (other than compressed or liquefied gas), of iron or steel, of a capacity exceeding 300l, whether or not lined or heat-insulated, but not fitted with mechanical or thermal equipment) in chapter 73 (articles of iron or steel). It is the only subheading of heading 73.09, so every good of the heading is classified here.

Source: https://staging.border.bot/hs-codes/730900
Last updated: 13 October 2026

[HS codes](https://staging.border.bot/hs-codes) / [Chapter 73](https://staging.border.bot/hs-codes/73) / [73.09](https://staging.border.bot/hs-codes/7309) / [7309.00](https://staging.border.bot/hs-codes/730900)

## Key facts

- HS code: 7309.00
- Covers: Reservoirs, tanks, vats and similar containers for any material (other than compressed or liquefied gas), of iron or steel, of a capacity exceeding 300l, whether or not lined or heat-insulated, but not fitted with mechanical or thermal equipment
- Heading: [73.09: Reservoirs, tanks, vats and similar containers for any material (other than compressed or liquefied gas), of iron or steel, of a capacity exceeding 300l, whether or not lined or heat-insulated, but not fitted with mechanical or thermal equipment](https://staging.border.bot/hs-codes/7309)
- 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 7309.00 covers reservoirs, tanks, vats and similar containers for any material (other than compressed or liquefied gas), of iron or steel, of a capacity exceeding 300l, whether or not lined or heat-insulated, but not fitted with mechanical or thermal equipment.

The legal text of the subheading is “Reservoirs, tanks, vats and similar containers for any material (other than compressed or liquefied gas), of iron or steel, of a capacity exceeding 300l, whether or not lined or heat-insulated, but not fitted with mechanical or thermal equipment”, in HS2022.

## What it doesn’t cover

It is the only subheading of heading 73.09, so every good of the heading is classified here.

## How it is structured

7309.00 is a six-digit subheading. Its first two digits, 73, are the chapter; the first four, 7309, are heading 73.09; the last two, 00, 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 73.09: Reservoirs, tanks, vats and similar containers for any material (other than compressed or liquefied gas), of iron or steel, of a capacity exceeding 300l, whether or not lined or heat-insulated, but not fitted with mechanical or thermal equipment
- Subheading 7309.00: Reservoirs, tanks, vats and similar containers for any material (other than compressed or liquefied gas), of iron or steel, of a capacity exceeding 300l, whether or not lined or heat-insulated, but not fitted with mechanical or thermal equipment

## In other countries

No national tariff lines under 7309.00 are live on border.bot yet. Tariffs built on the Harmonized System (HS2022) use 7309.00 at six digits and add their own digits after it.

- Previous subheading: [7308.90](https://staging.border.bot/hs-codes/730890) Other
- Next subheading: [7310.10](https://staging.border.bot/hs-codes/731010) Of a capacity of 50l or more

## Frequently asked questions

### What does HS code 7309.00 cover?

HS code 7309.00 covers reservoirs, tanks, vats and similar containers for any material (other than compressed or liquefied gas), of iron or steel, of a capacity exceeding 300l, whether or not lined or heat-insulated, but not fitted with mechanical or thermal equipment.

### Which heading and chapter is HS code 7309.00 in?

HS code 7309.00 is in heading 73.09 (reservoirs, tanks, vats and similar containers for any material (other than compressed or liquefied gas), of iron or steel, of a capacity exceeding 300l, whether or not lined or heat-insulated, but not fitted with mechanical or thermal equipment) in chapter 73 (articles of iron or steel).

### Where are goods of heading 73.09 classified when 7309.00 doesn’t fit?

7309.00 is the only subheading of heading 73.09, so every good of the heading is classified there.

## 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/730900.json