0.8mm 4140 Chrome-Moly Alloy Round Wire
4140 chrome-molybdenum alloy steel round wire, 0.8mm in diameter, is drawn for mechanical springs and fasteners. The alloy provides high strength and toughness. It is classified as other alloy steel wire, as it does not meet the definitions of stainless, tool, or other specialty steels.
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 of silico-manganese steel
Silico-manganese steel wire has its own subheading.
If the wire is of stainless steel
Stainless steel wire is classified under a different heading.
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
• Provide a mill certificate showing the 4140 alloy composition to support classification
• Ensure the wire is in drawn condition, not further worked, to qualify as wire
• Keep records of the wire's end use for CBSA verification
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