Silico-Manganese Steel Lock Wire
Corrosion-resistant silico-manganese steel wire used for safety wiring in aviation and machinery to prevent fastener loosening. This wire is classified under tariff item 7229.20.00 because it is made of silico-manganese steel, an alloy steel defined in Chapter 72.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | +50.0% | 50% |
| 🇩🇪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 made of other alloy steel
Other alloy steel wire falls under a different tariff 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
• Ensure the wire meets aerospace or machinery safety standards and document the alloy composition
• Provide evidence of the wire's use in safety wiring for CBSA verification
• Check if any special import permits are required for aviation components
Related Products under Tariff item 7229.20.00
0.6mm Ultra-Fine Copper-Plated Silico-Manganese Welding Wire
Ultra-fine 0.6 mm copper-plated round wire made from low-carbon silico-manganese steel, used for precision electric arc welding in thin-sheet applications. The copper coating improves arc stability and conductivity, and the silico-manganese composition (Mn >0.9%, Si >0.6%) qualifies it as other alloy steel wire under tariff item 7229.20.00.
0.8mm Copper-Coated ER70Si Silico-Manganese Welding Wire
0.8 mm copper-coated round wire of ER70Si-grade silico-manganese steel, designed for gas-shielded electric arc welding in automotive and fabrication industries. The silico-manganese composition (C <0.20%, Mn >0.9%, Si >0.6%) meets the definition of other alloy steel, and the wire form fits tariff item 7229.20.00.
1.0mm Copper-Coated Silico-Manganese Steel Arc Wire Spool
Spool-wound 1.0 mm round copper-plated wire made from silico-manganese alloy steel, used for electric arc welding in construction. The low carbon content (<0.20%) and high manganese and silicon levels classify it as other alloy steel wire under tariff item 7229.20.00.
1.2mm Copper-Clad Silico-Manganese Welding Consumable
1.2 mm copper-clad round consumable wire from silico-manganese steel, used for GMAW electric arc welding processes. The cladding provides lubricity and arc focus, while the alloy composition (C <0.20%, Mn >0.9%, Si >0.6%) places it under tariff item 7229.20.00 as wire of silico-manganese steel.
1.2mm Copper-Plated Silico-Manganese MIG Welding Wire
High-performance 1.2 mm diameter round copper-coated wire made from silico-manganese steel alloy, optimized for MIG electric arc welding of structural steel. The copper plating enhances electrical conductivity and corrosion resistance, and the alloy composition meets the definition of silico-manganese steel under tariff item 7229.20.00.
1.4mm Copper-Coated Low-Carbon Silico-Manganese Filler Wire
Round 1.4 mm copper-plated filler wire of silico-manganese steel alloy, tailored for electric arc welding in shipbuilding and pipelines. The low carbon (<0.20%) and high manganese and silicon content classify it as other alloy steel wire under tariff item 7229.20.00, with the copper plating ensuring smooth arc initiation.