A354 Grade BD Structural Bolts from United States
A354 Grade BD alloy bolts for high-pressure structural joints in refineries and towers, diameter 6 mm+, with heavy nuts for flanged connections. These fall under tariff item 7318.15.00 for other screws and bolts of iron or steel.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Verify the alloy composition and diameter over 6 mm for classification
• Include heavy nuts in the shipment and declare as a set
• Provide ASTM A354 certification for customs