Sourcing steel and iron pipe fittings from China
Cast iron, malleable iron and steel pipe fittings from China, including flanges, threaded elbows, sleeves and butt-welding fittings, pay 0% UK duty, with no anti-dumping duty. They are bought on thread or weld standard, pressure rating and material certificate, and drinking water fittings must meet the Water Fittings Regulations. Cambridge China Bridge sources pipe fittings.
Cast iron, malleable iron and steel pipe fittings pay 0% UK duty from China. Threads, pressure ratings, material certificates and water approval to check.

Zero duty
Read from the UK Trade Tariff on 25 September 2026, cast fittings of non-malleable cast iron, malleable and ductile iron fittings, flanges, threaded sleeves, elbows and bends, and butt-welding fittings of iron or steel carried 0% duty on goods from China, with no anti-dumping measure on the lines checked.
Fittings are dense, so the container weight limit sets the freight share of the landed price. Confirm the commodity code by material and fitting type.
| Goods | Commodity code | Duty | Anti-dumping duty on China |
|---|---|---|---|
| Cast fittings of non-malleable cast iron, for pressure systems | 7307 11 10 00 | 0% | None |
| Other cast fittings of iron or steel, other | 7307 19 10 35 | 0% | None |
| Flanges of iron or steel, other | 7307 91 00 90 | 0% | None |
| Threaded sleeves | 7307 92 10 00 | 0% | None |
| Threaded elbows and bends, other | 7307 92 90 90 | 0% | None |
Standards, threads and pressure
Fittings are specified by standard: the thread form, British Standard Pipe or another, the flange standard and pressure class, and the pressure and temperature rating. Put the standard, size range, material grade and finish, black, galvanised or coated, in the product specification, and ask for material certificates with each batch.
Check threads with gauges and dimensions on samples at inspection, and ask for a pressure test on a sample from each batch for pressure-rated fittings.
Drinking water and gas
Fittings on water supplied by a water undertaker are water fittings: regulation 4 of the Water Supply (Water Fittings) Regulations 1999 requires them to be of an appropriate quality and standard, shown by a British Standard or a regulator-approved specification, and merchants often ask for third-party approval. The taps and valves guide covers the rule.
Fittings for gas, fire protection or pressure systems have their own standards and approvals; state the application so the factory supplies the right product and evidence.
Galvanising and corrosion
Hot-dip galvanised fittings are specified by coating thickness; check it on samples, along with thread damage from the galvanising. Oil and cap the threads for the sea voyage.
Cambridge China Bridge sources cast iron, malleable iron and steel pipe fittings for merchants, installers and projects, with standards, material certificates and approvals checked before shipment. See how our sourcing service works.
Frequently asked questions
What is the UK import duty on pipe fittings from China?
Read from the UK Trade Tariff on 25 September 2026, cast iron, malleable iron and steel pipe fittings, flanges and butt-welding fittings carried 0% duty from China, with no anti-dumping duty on the lines checked.
How should pipe fittings be specified?
By thread or flange standard, pressure class and rating, material grade, size range and finish, with material certificates for each batch.
Do fittings for drinking water need approval?
They must meet regulation 4 of the Water Supply (Water Fittings) Regulations 1999, and merchants often ask for third-party approval.
What should be checked on galvanised fittings?
Coating thickness and thread damage from galvanising, on samples at inspection.