Toolbox / HS code classifier
HS Code Classifier for Steel, Pipes, Flanges, Valves, Pumps and Fittings
Describe the product and get the Harmonized System code with the reasoning behind it. Where your description does not settle the next digits, the tool asks instead of guessing. It runs in your browser, with no sign-up and no AI model, on tariff text published by the UK and US governments (the EU tariff comes from the UK's Northern Ireland tariff).
Product
Check a code I already have
Result
Describe the product on the left: what it is, what it is made of and how it is made. Try one of the examples.
Classification is the importer's responsibility. Confirm with the destination's customs authority or a binding ruling before you ship. Codes and wording come from the UK Trade Tariff (Open Government Licence v3.0) and the US International Trade Commission HTS. EU lines are the TARIC codes published in the UK's Northern Ireland tariff, which applies the EU tariff, and each was found on the EU's own TARIC page. India ITC-HS national lines are not shown yet.
Frequently asked questions
How does the classifier choose a code?
It reads your description for the product and its material, asks the questions the tariff text turns on (stainless or other steel, cast or forged, and so on), and walks chapter, heading and subheading. It uses fixed rules, not an AI model, so the same input always gives the same code.
What does the evidence band mean?
High, Moderate or Low shows how much of the answer came from your text rather than from assumptions or a close alternative. It is a relative index, not a probability, and it is not a guarantee that customs will agree with the code.
Why does it ask questions instead of giving a code?
Some descriptions fit more than one subheading. "Steel flange" could be stainless (7307.21) or other steel (7307.91). The tool stops at the deepest level your text supports and asks the next question rather than guessing.
Which products and countries are covered?
Steel plate, sheet, coil and strip, bars, rods, angles, sections and wire, pipes, tubes, fittings, flanges, fasteners and structures; valves, strainers, gaskets and pumps; copper, brass, nickel and aluminium tubes, fittings, plates, bars and fasteners. Lines are shown for the United States, the United Kingdom and the EU. India ITC-HS lines are not shown yet.
Where do the codes come from?
From the UK Trade Tariff (Open Government Licence v3.0), the US International Trade Commission Harmonized Tariff Schedule, and the EU tariff as published for Northern Ireland, fetched and stored as data. A 6-digit code is verified when two list it; EU lines were also found on the EU TARIC page.
Is the result a customs ruling?
No. Classification is the importer's responsibility. Confirm with the destination customs authority or a binding tariff ruling before you ship. The first 6 digits are common worldwide; digits 7 to 10 differ by country.
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