Zirconium Alloy Powder Zr-2.5Nb
Zr-2.5% niobium alloy powder for pressure tube applications in CANDU reactors. Still classified as base zirconium under 8109.29.00.00 since Zr >99% other elements. Meets unwrought powder criteria.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If Nb content exceeds alloy threshold
Chapter 81 notes define alloys by predominant base metal.
If steel matrix composite
Steel-zirconium angles/shapes under Chapter 72.
If machined reactor parts
Semi-finished nuclear components to Chapter 84/85.
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Import Tips & Compliance
• Exact alloy chemistry report required; >1% Nb may trigger 8108 review
• Nuclear Regulatory Commission prior approval often needed
• Label as 'zirconium base' to distinguish from pure forms
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