Graphite Crucible for EDM Machines
High-purity graphite crucible designed specifically for electrical discharge machining (EDM) processes, where it serves as an electrode to conduct electrical current and erode material from the workpiece. This falls under HTS 8545.90.40.00 as an article of graphite used for electrical purposes in industrial machining applications.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used for non-electrical purposes like metal melting
Shifts to general graphite articles in Chapter 68 when not specifically for electrical conduction or electrodes.
If supplied as replacement parts for specific electrical machines
Carbon electrodes may classify under parts of electrical machinery if integral to a named machine rather than general use.
If imported as part of a complete EDM machine assembly
Assembled into machinery, classifying under machine parts instead of standalone carbon electrodes.
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Import Tips & Compliance
• Verify graphite purity and electrical conductivity certifications to confirm classification under 8545 as electrical-use carbon articles
• Include machining application end-use documentation to avoid reclassification as general graphite products under 6814
• Check for metal plating or impregnation, as it may affect duty rates or require additional material declarations
Related Products under HTS 8545.90.40.00
Carbon Brushes for Universal Electric Motors
Wear-resistant carbon brushes with copper commutator contacts, used in universal AC/DC electric motors for power tools and appliances to transfer electrical current to the rotor. Classified under HTS 8545.90.40.00 as carbon brushes for electrical purposes.
Graphite Anode Plates for Electroplating Baths
Dimensionally stable graphite anode plates used in electroplating tanks to serve as the positive electrode, conducting current for metal deposition processes. This product is covered by HTS 8545.90.40.00 for other carbon articles used in electrical applications.
Battery Carbons for Zinc-Carbon Dry Cells
Cylindrical graphite rods functioning as positive electrodes (battery carbons) in disposable zinc-carbon primary batteries, conducting electrical current during discharge. Falls under HTS 8545.90.40.00 as other carbon articles for electrical purposes.
Metal-Graphite Contact Strips for Pantographs
High-conductivity metal-graphite composite strips used in railway pantographs to maintain electrical contact with overhead catenary wires, enabling power collection for electric locomotives. Classified in HTS 8545.90.40.00 for carbon articles with metal for electrical purposes.
Graphite Heating Elements for Vacuum Furnaces
High-temperature resistant graphite rods or plates that function as electrical resistance heating elements in industrial vacuum furnaces for materials processing. Covered by HTS 8545.90.40.00 as other carbon articles used for electrical purposes.
Carbon Block Electrodes for Aluminum Smelting
Large prebaked carbon blocks serving as anodes in Hall-Héroult electrolytic cells for primary aluminum production, conducting massive electrical currents through the electrolyte. This industrial product is classified under HTS 8545.90.40.00.