HY-80 Alloy Steel Pressure Tube
High-yield HY-80 nickel-chrome-moly alloy steel seamless tube for submarine pressure hulls, 160 mm OD, 11.5 mm wall. Fits HTS 7304.59.80.30 specifications exactly.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as stainless due to Ni content
High nickel alloys sometimes argue for stainless headings if corrosion resistant.
If imported as warship/submarine component
Vessels and parts thereof classify under 8906 regardless of material.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• ITAR restrictions likely apply; obtain export license before import declaration
• MIL-S-21952 spec documentation proves alloy and seamless qualification
Related Products under HTS 7304.59.80.30
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AISI 4140 Chrome-Moly Hollow Bar
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