HTS 3810: Pickling preparations for metal surfaces; fluxes and other auxiliary preparations for soldering, brazing or welding; soldering, brazing or welding powders and pastes consisting of metal and other materials; preparations of a kind used as cores or coatings for welding electrodes or rods

4 codes. Pick one to see its duty from every country of origin. From the USITC schedule, Revision 20 (2026).