MIG Brazing Wire CuSi3
MIG brazing wire CuSi3 is a copper-silicon bronze wire cored with flux, designed for flame MIG brazing of galvanized steel in automotive body repair. It produces strong, ductile joints without damaging zinc coatings, making it ideal for thin sheet metal. This product falls under 8311.30.00 as a cored wire for brazing by flame.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the wire is coated with flux rather than cored
Coated brazing wires are classified separately from cored wires.
If the wire is solid without any flux core or coating
Uncoated copper alloy wire may fall under Chapter 74.
If imported as part of a brazing repair kit
Kits containing multiple brazing products may be classified under a residual item.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Clearly state the alloy composition (CuSi3) and flux core type on shipping documents
• Verify if the product qualifies for duty-free entry under a trade agreement by providing the required origin documentation
• Be prepared to demonstrate that the wire is for brazing, not welding, if CBSA requests clarification
Related Products under Tariff item 8311.30.00
50/50 Lead-Tin Solder Rod for Flame Brazing
A heavy-duty 50% lead / 50% tin cored rod with flux, designed for high-temperature flame brazing in HVAC systems. The flux core ensures proper cleaning of oxides during the brazing process, and the lead-tin composition provides excellent wettability for strong joints. This product falls under tariff item 8311.30.00 as a coated rod of base metal for soldering or brazing by flame.
60/40 Lead-Tin Solder Wire
A 60% tin and 40% lead solder wire coated with flux, commonly used in electronics assembly for reliable joints on circuit boards. The flux core aids in removing oxides and improving solder flow, making it suitable for flame soldering applications. This product is classified under tariff item 8311.30.00 as a coated rod of base metal for soldering by flame.
63/37 Rosin-Core Lead-Tin Solder
A flux-cored 63% tin / 37% lead solder wire ideal for plumbing and electrical repairs, providing smooth flow and strong bonds. The rosin core ensures clean soldering with minimal residue, suitable for flame soldering processes. This product falls under tariff item 8311.30.00 as a coated rod of base metal for soldering by flame.
Acid-Core 40/60 Lead-Tin Solder
A 40% tin / 60% lead acid flux core solder for demanding plumbing and sheet metal flame soldering. The aggressive flux excels on galvanized surfaces, ensuring strong joints. This product is classified under tariff item 8311.30.00 as a coated rod of base metal for soldering by flame.
Aluminum Brazing Rod 4043
4043 aluminum brazing rods are flux-coated for torch (flame) brazing of aluminum components in HVAC and automotive repair. The flux core cleans oxides during heating, ensuring strong joints. This product falls under tariff item 8311.30.00 as a coated rod of base metal for brazing by flame.
Brass Flame Brazing Rod
Flux-cored brass rods for HVAC brazing, providing strong joints in copper and brass components. The flux core ensures proper cleaning during flame brazing. This product is classified under tariff item 8311.30.00 as a coated rod of base metal for brazing by flame.