AISI 8645 Alloy Steel Round Bar
AISI 8645 boron-alloyed steel round bar, hot-rolled for gears and crankshafts. Classified as a non-cold-formed bar of other alloy steel with Cr-Ni-Mo-B composition for hardenability, this medium-carbon heat-treatable grade falls under this tariff item.
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
• Confirm the boron content and overall alloy composition to support classification
• Provide a certificate of analysis from the supplier
• Ensure the bar is not cold-formed to avoid reclassification
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