Products A–Z
HS code for welding flux
In the UK Trade Tariff’s list of everyday names, “welding flux” points to subheading 3810.90: pickling preparations for metal surfaces: other. Check the description and the notes of the chapter before declaring: the right code depends on what the goods are made of and how they are used.
In the UK Global Tariff, 3810.90 covers 2 tariff lines and the duty is duty-free.
The EU Combined Nomenclature divides 3810.90 into 2 tariff lines; the duty is between 4.1% and 5% (average 4.6%).
In the Turkish Customs Tariff Schedule, 3810.90 covers 2 tariff lines and the duty is between 4.1% and 5%.
Duty rates compared
UK Free Third-country duty 2 tariff lines 
EU 4.1% – 5% Third-country duty 2 tariff lines · average 4.6% 
Türkiye 4.1% – 5% Third-country duty 2 tariff lines · average 4.6% 
USA Free – 6.5% General (MFN) 3 tariff lines · average 3.8% 
Canada Free Third-country duty 1 tariff line 
Mexico Free Third-country duty 2 tariff lines 
Brazil 12.6% Third-country duty 1 tariff line 
Argentina 12.6% Third-country duty 2 tariff lines 
Peru Free Third-country duty 2 tariff lines 
New Zealand Free Third-country duty 2 tariff lines 
Japan 3.9% Third-country duty 1 tariff line 
Taiwan 5% Third-country duty 2 tariff lines 
GCC 5% Third-country duty 2 tariff lines 
Switzerland Free Third-country duty 1 tariff line 
Norway Free Third-country duty 1 tariff line 
North Macedonia 3% Third-country duty 2 tariff lines 
Nigeria 10% Third-country duty 1 tariff line Questions and answers
What is the HS code for welding flux?
Welding flux are classified under 3810.90 (Pickling preparations for metal surfaces: other) in the Harmonized System. National tariffs add more digits; see the lines on this page.