Heat-Treated Cast Steel Mill Balls 75mm from United States
Uniform 75mm diameter cast steel balls, double heat-treated for maximum abrasion resistance in secondary grinding circuits. These are specifically classified under tariff item 7325.91.00 as cast grinding balls for mills, given their cast steel construction and standard size.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Confirm the balls are cast and not forged; provide technical datasheets showing heat treatment
• Ensure the diameter and hardness specifications match the declared classification
• Use the CBSA's online tariff classification tool for verification