Forged Alloy Steel Mill Grinding Balls from United States
These are alloy steel balls used in ball mills for grinding ores, coal, and other materials. Although some are forged, those that are cast and heat-treated for toughness are classified here as cast articles of iron or steel, specifically as grinding balls for mills.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Ensure the balls are indeed cast, not forged, to qualify for this tariff item; forged balls fall under 7326.11.00
• Declare the alloy composition accurately, as steel vs. other base metals can change classification
• If the balls contain more than 0.6% carbon, they may be considered steel, not cast iron, so verify the material's definition