AISI 4150 Alloy Steel Hexagonal Bar
AISI 4150 chromium-molybdenum alloy steel hexagonal bar, hot-rolled for bolts and fasteners. This non-cold-formed bar of other alloy steel, with a standard mill finish, fits under this tariff item for use in heat-treated structural 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 under a different item.
If the steel qualifies as high-speed steel
High-speed steel bars are separately classified.
If the steel qualifies as silico-manganese steel
Silico-manganese steel bars are separately classified.
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
• Confirm the hexagonal cross-section meets the definition of bars and rods under Chapter 72 notes
• Provide a certificate of analysis for chromium and molybdenum content
• Ensure the product is not cold-formed to avoid reclassification
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