HY-80 High-Yield Alloy Steel Coil
Hot-rolled HY-80 nickel-chromium-molybdenum alloy steel bars in irregular coils for naval shipbuilding plates. HTS 7227.90.60.90 as other alloy not qualifying high-strength steel note (a) specs. Provides 80 ksi minimum yield strength.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If chipper knife steel per note (f)
Exact composition match to note (f) (0.48-0.55%C, 7.25-8.75%Cr etc.) classifies under specific tool steel subheading.
If coated with nonmetallic substance
Chapter note defines coating (varnish/paint/plastics) as further worked, moving from 7227 to 7228.
If made into tubes/pipes
Further manufacture into seamless tubes changes from Chapter 72 raw bars to Chapter 73 tubes.
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Import Tips & Compliance
• Test certificates must exclude note (a) high-strength criteria to stay in 'other alloy'
• Prevent uncoiling before entry—changes to straight bar classification
• Rust note applies; no abatement for pre-entry corrosion on high-value defense steel
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