Cast Iron Sag Mill Grinding Media Balls
Heavy-duty cast iron balls for SAG and AG mills, featuring domed surfaces for optimal cascading action. They are classified under this tariff item as cast articles of iron for grinding purposes in mills.
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 balls are forged rather than cast
Forged grinding balls fall under other articles of iron or steel, not cast articles.
If the articles are not grinding balls but other cast mill parts
Other cast articles of iron or steel not specifically covered elsewhere.
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 balls are clearly declared as cast iron grinding media for mills to avoid misclassification
• Provide mill specifications and intended use to the CBSA if requested
• Verify the country of origin for applicable trade agreements that may reduce duty
Related Products under Tariff item 7325.91.00
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Although primarily cast, certain alloy steel balls are forged then heat-treated for superior toughness in overflow ball mills. If truly cast, they align with this tariff item as cast grinding articles for mills.
Heat-Treated Cast Steel Mill Balls 75mm
Uniform 75mm diameter cast steel balls, double heat-treated for maximum abrasion resistance in secondary grinding circuits. They are specifically classified under this tariff item as cast grinding balls for mills.
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Low Chrome Cast Steel Grinding Balls
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Martensitic Cast Grinding Media for Coal Mills
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