AISI 4330V Modified Alloy Steel Round Bar
Modified 4330V alloy steel round bar, hot-rolled for landing gear and rocket motor cases. This non-cold-formed bar of other alloy steel, with a vacuum-melted Ni-Cr-Mo-V composition, is classified under this tariff item for high-strength applications.
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 bar has been cold-formed
Cold-formed bars of other alloy steel are classified separately.
If the steel meets high-speed steel criteria
High-speed steel bars are classified under a different subheading.
If the steel meets silico-manganese steel criteria
Silico-manganese steel bars are classified separately.
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 vacuum-melted certification and detailed alloy composition to support classification
• Ensure the bar is not cold-formed
• For aerospace applications, maintain full traceability documentation for CBSA review
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