HS Code 3810
Metal-Pickling and Flux Preparations
HS code 3810 covers metal-pickling preparations, fluxes for soldering and brazing, and coatings used for welding electrodes and rods.
4-digit Section VILCL Hazmat 8
HS Code 3810 — Metal-Pickling and Flux Preparations
This code covers chemicals used to clean metal surfaces before welding or brazing, and the fluxes that assist these processes. It also includes powders and pastes used as cores or coatings for welding electrodes.
What's included
- Pickling pastes for stainless steel
- Soldering flux
- Brazing powder
- Welding electrode coatings
- Galvanizing fluxes
What's excluded
- Unalloyed metal electrodes → use
8311(Base metal electrodes are in Chapter 83)
Common examples
- Rosin-core soldering flux for electronics
- Acid-based pickling paste for welds
- Silver brazing flux
- Aluminum welding powder
Frequently asked questions
Does this cover the welding rod itself?
No, it covers the coating or the paste used on the rod. The metal rod itself is found in Chapter 83.
Trade & shipping notes
- Typical duty range: 0% - 6.5%
- Documentation: Check for corrosive ingredients on SDS to determine ADR requirements.
- Typical shipping mode: LCL
- Top exporters: Germany, United States, China, Japan
- Top importers: Mexico, Canada, South Korea, India
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Key takeaway
Essential for precision manufacturing and construction; often involves hazardous corrosive chemical handling.
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