Casting Converter Graphite Crucible Insert
> A graphite crucible insert designed for use in converters during silicon melting in semiconductor metallurgy. It provides high-purity containment to prevent contamination of the molten material during casting processes. As a component of a converter used in metallurgy, it is classified as a part under tariff item 8454.90.00.
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 insert is made primarily of refractory ceramics and presented separately
Ceramic articles for technical use may be classified under Chapter 69 if not clearly a part of a converter.
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
• > Ensure the insert is declared as a part of a converter used in metallurgy, not as a standalone crucible, to avoid misclassification
• Provide a detailed product description and end-use statement to support the classification
• Verify if the graphite material is subject to any import restrictions or permits
Related Products under Tariff item 8454.90.00
Aluminum Ingot Mold Alignment Pin Set
An aluminum ingot mold alignment pin set is a precision-machined aluminum pin set for aligning and securing ingot mold sections in continuous casting lines. It is classified under tariff item 8454.90.00 as interchangeable parts of metallurgical ingot molds.
Boule Lapping Machine Workhead
A boule lapping machine workhead is a component for lapping machines that flatten semiconductor boules to precise tolerances before wafer slicing. It is classified under tariff item 8454.90.00 as a part of metallurgical casting machines. This workhead achieves critical flatness for semiconductor processing.
Cast Iron Ingot Mold Vent Plug
A durable cast iron plug inserted into ingot molds to regulate gas escape during metal solidification in foundries. It is a critical venting component of ingot molds used in metallurgy, falling under the parts provision of heading 84.54.
Cold Chamber Die Casting Machine Injector Piston
> A piston that injects molten metal into the die of cold chamber die casting machines, handling non-ferrous alloys like aluminum at high velocities. It is engineered for durability in high-pressure metallurgy applications. As a part of a casting machine, it is classified under tariff item 8454.90.00.
Copper Ingot Mold Cooling Jacket
A water-cooled copper jacket assembly that encases ingot molds to control solidification rates in aluminum foundries. It is a specialized thermal management part of ingot molds, classified under the parts provision of heading 84.54.
Crystal Boule Casting Ladle Assembly
> A modular ladle assembly used in ingot casting machines for semiconductor metallurgy, specifically handling molten polysilicon for boule formation. It is designed for use in metal foundries to produce wafer precursors. As a part of a ladle used in metallurgy, it falls under tariff item 8454.90.00.