7325 10 00 31: Lamellar graphite cast iron (grey iron), and parts thereof, of a kind used to: – cover ground or sub-surfaces systems, and/or openings to ground or sub-surface systems, and also – give access to ground or sub-surface systems and/or provide view to ground or sub-surface systems

In the UK Global Tariff, 7325 10 00 31 is one of 5 lines under subheading 7325.10, of non-malleable cast iron.

The third-country duty is free.

Goods from 174 countries can enter the UK at a preferential rate instead of the standard Free; 174 of them pay no duty at all, for example under DCTS Comprehensive or European Union.

In the UK, anti-dumping duty of 38.1% applies on top of the customs duty to goods from China (until 31 January 2028).

In the UK, additional duty of 35% applies on top of the customs duty to goods from Belarus and Russia.

In the 12 months to August 2026, the UK imported non-malleable cast iron articles (HS 7325.10) worth £40.4m (down 38% on the year before), at an average of £1.78 per kg; China supplied 38%, followed by Belgium.

For the same subheading, the EU duty is 1.7%, the Türkiye duty is 1.7%, the US duty is free, the Canada duty is 6%, the Mexico duty is 35%, the Brazil duty is 18%, the Argentina duty is 18%, the Peru duty is free, the New Zealand duty is 5%, the Japan duty is free, the Taiwan duty is 10%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is 0%–15% and the Nigeria duty is 20%.

The UK imported goods of subheading 7325.10 worth US$115m in 2024; the largest supplier was South Korea.