HY-80 High-Yield Submarine Hull Steel Plate from United States
> HY-80 is a nickel-chromium-molybdenum alloy steel plate (width 800 mm) used for naval submarine hull construction, with a yield strength of 80 ksi. It is a high-strength alloy steel that does not meet the definitions for stainless or other specialty steels, so it falls under "other alloy steel" flat-rolled products.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• > Ensure the plate is flat-rolled and over 600 mm wide
• Provide a mill test report to verify the alloy composition and yield strength
• If the plate is for military or naval use, check for any special import permits required by Canadian authorities