HY-80 High-Yield Submarine Hull Steel Plate from Japan
HY-80 is a nickel-chromium-molybdenum alloy steel plate, 800 mm wide, used for naval submarine hull construction with a yield strength of 80 ksi. Its multi-element alloy composition (nickel, chromium, molybdenum) qualifies it as other alloy steel, but it does not meet stainless steel criteria. As a hot-rolled flat product not further worked, it is classified under tariff item 7225.99.00 as 'Other'.
Duty Rate — Japan → Canada
0%
Import Tips
• Due to its military-grade nature, verify any export or import permits required by Canadian authorities
• Provide detailed alloy composition and heat treatment records to support classification
• The width exceeds 600 mm, so heading 72.25 applies; ensure it is not further worked beyond hot-rolling