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Zircaloy-4 Fuel Cladding Spacer Grid

> This Zircaloy-4 spacer grid assembly positions and supports fuel rods within nuclear fuel cartridges, maintaining coolant flow spacing. While it is a component, it is essential to the structure of the fuel element and is classified as a part of non-irradiated fuel elements under this tariff item.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—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.

8401.40.00Same rate: Free

If imported separately as a part of a nuclear reactor

Spacer grids may be classified as reactor parts when not part of a fuel element.

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

• > Document that the spacer grid is specifically designed for non-irradiated fuel cartridges

• Provide engineering drawings to support classification

• Check if the spacer grid qualifies for duty-free treatment under trade agreements by providing a certificate of origin

Related Products under Tariff item 8401.30.00

Fuel Element End Plug Assembly

> This welded end cap assembly, made of zirconium alloy, is designed to seal non-irradiated nuclear fuel cartridges. It prevents gas release and maintains the structural integrity of the fuel element, ensuring safe handling and reactor performance. As a component integral to the fuel cartridge, it is classified under this tariff item.

MOX Plutonium-Uranium Fuel Cartridge

> This non-irradiated mixed oxide (MOX) fuel cartridge combines plutonium and uranium oxides in pellet form within metal cladding, designed for light water reactors. It is a complete fuel element ready for reactor loading, falling squarely under the tariff item for non-irradiated fuel elements.

Silicon Carbide TRISO Fuel Particle Cartridge

> This non-irradiated TRISO fuel cartridge contains thousands of silicon carbide-coated uranium oxide or carbide particles embedded in a graphite matrix, designed for high-temperature gas reactors. It is a complete fuel element, classified under the tariff item for non-irradiated fuel elements.

Uranium Dioxide Fuel Pellet Cartridge

> This non-irradiated fuel element cartridge contains pressed uranium dioxide (UO2) pellets encased in zirconium alloy cladding, designed for insertion into nuclear reactor cores. It is a complete fuel element, directly matching the description of this tariff item.

ZIRLO Fuel Rod Cladding Tube

> This precision zirconium-niobium alloy (ZIRLO) tube serves as the protective cladding for nuclear fuel pellets in non-irradiated fuel elements. It is a critical component of the fuel cartridge, classified under this tariff item as a part of non-irradiated fuel elements.