Spherical Graphite Iron Backup Rolls from United States
Spherical graphite iron backup rolls are made from nodular (ductile) cast iron, offering excellent toughness for high-tonnage rolling mills. These rolls provide superior fatigue resistance compared to grey iron, making them suitable for demanding applications. They are classified under tariff item 8455.30.00 as rolls for metal-rolling mills.
Duty Rate — United States → Canada
0%
Import Tips
• Document the nodular cast iron composition and mechanical properties to support classification
• Ensure the rolls are not considered parts of general use
• Verify if any trade remedies apply to the product