Tungsten Carbide Powder
Fine powder composed primarily of tungsten carbide (WC), used in manufacturing cutting tools and wear-resistant parts. Classified under HTS 8101.10.00.00 as tungsten powders due to its high tungsten content in powdered form. Not an alloy as tungsten exceeds 99% relative to other metals.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If chemically classified as metal carbide
Tungsten carbide powders are often headed under Chapter 28 for carbides of metals, shifting from Chapter 81 base metal powders.
If mixed with binders for chemical prep
Prepared chemical mixtures containing tungsten powder fall under Chapter 38, not pure metal powders.
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Import Tips & Compliance
• Verify purity via lab analysis to confirm tungsten content meets Chapter 81 definitions; misclassification as carbide risks re-assessment
• Include material safety data sheets (MSDS) for hazardous powder handling; declare particle size to avoid dust explosion regulations
Related Products under HTS 8101.10.00.00
Atomized Tungsten Powder
Gas-atomized tungsten powder with controlled spherical morphology for powder metallurgy and thermal spraying. HTS 8101.10.00.00 covers all such tungsten powder forms.
Tungsten Powder for Lamp Filaments
High-purity, coarse tungsten powder for drawing into lamp filament wire. Specifically powders under HTS 8101.10.00.00 before wire-forming.
Reduced Tungsten Powder
Hydrogen-reduced tungsten powder from ammonium paratungstate, standard for PM parts. HTS 8101.10.00.00 for this intermediate powder form.
Tungsten Heavy Alloy Powder
Pre-alloyed W-Ni-Fe powder (92-97% W) for radiation shielding and balance weights. Borderline HTS 8101.10.00.00 if W >99% relative, but often alloys.
Tungsten Powder for Catalysts
Activated tungsten powder as hydrogenation catalyst precursor in chemical industry. Pure metal powder under HTS 8101.10.00.00.
Micron Tungsten Powder 5-10um
Fine 5-10 micron tungsten powder for injection molding of complex parts. HTS 8101.10.00.00 due to powder state.