Zirconium Grade 704 Plate
Thick plates of zirconium grade 704 with controlled low hafnium content (less than 1 part per 500 parts zirconium), used in sour gas environments. These plates are classified under tariff item 8109.91.00 as low-hafnium zirconium articles.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the hafnium content is 1 part or more per 500 parts zirconium
This item covers zirconium articles with higher hafnium content.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify the hafnium content is below 1:500 by weight with a mill test certificate
• Ensure the plates are not classified as parts of machinery (Section XVI) or as parts of general use (e.g
• bolts)
• For sour gas environments, check if any special corrosion-resistance certifications are required
Related Products under Tariff item 8109.91.00
Low Hafnium Zirconium Foil
Ultra-thin zirconium foil with a hafnium content of less than 1 part per 500 parts zirconium by weight. This foil is used as a lining in pharmaceutical vessels due to its corrosion resistance and biocompatibility, and qualifies under tariff item 8109.91.00 as a low-hafnium zirconium article.
Medical Grade Zirconium Rod
Solid rods of low-hafnium zirconium, with hafnium below 1 part per 500 parts zirconium, used for surgical implants and instruments. The rods are biocompatible and corrosion-resistant, falling under tariff item 8109.91.00 as other zirconium articles.
Zirconium 702 Grade Bar Stock
High-purity zirconium bar stock made from grade 702 alloy, with hafnium content less than 1 part per 500 parts zirconium. Used in chemical processing equipment, this bar stock is classified under tariff item 8109.91.00 as a low-hafnium zirconium article.
Zirconium 702 Seamless Tube
Seamless tubing made from zirconium 702 alloy, with hafnium content below 1 part per 500 parts zirconium. Used in ultrapure water systems, this tubing is classified under tariff item 8109.91.00 as a low-hafnium zirconium article.
Zirconium 705 Powder (Atomized)
Gas-atomized zirconium 705 powder with hafnium content below 1 part per 500 parts zirconium, used for additive manufacturing. This powder is classified under tariff item 8109.91.00 as a low-hafnium zirconium article, not as an unwrought product.
Zirconium Cladding Foil
Foil made of low-hafnium zirconium, with hafnium below 1 part per 500 parts zirconium, used for explosive cladding on vessels. This foil is classified under tariff item 8109.91.00 as a low-hafnium zirconium article.