Ferrosilicon Tungsten 45% Silicon 20% Tungsten
Ferrosilicon tungsten alloy containing 45% silicon and 20% tungsten, with the balance being iron. It is used in steelmaking as a deoxidizer and alloying agent to improve strength and heat resistance. This product falls under tariff item 7202.80.00 as a ferro-silico-tungsten alloy.
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 silicon content is below the threshold for ferro-silico-tungsten
Other ferro-alloys not elsewhere specified may apply if the composition does not meet the specific definition of ferro-silico-tungsten.
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 alloy composition is clearly documented, especially silicon and tungsten percentages, to support classification under 7202.80.00
• Provide a certificate of analysis from the supplier to verify the alloy meets the ferro-alloy definition in Chapter 72
• Check if the goods qualify for preferential tariff treatment under a free trade agreement by providing a valid certificate of origin
Related Products under Tariff item 7202.80.00
Ferrosilicon Tungsten FeW-40Si20 Granules
Ferrosilicon tungsten granules with 40% silicon and 20% tungsten, used in welding electrodes and low-alloy steels. The granular form is a primary form commonly used as an additive in ferrous metallurgy, which qualifies it as a ferro-alloy under Chapter 72. It is classified under tariff item 7202.80.00 as ferro-silico-tungsten.
Ferrotungsten 70% Tungsten Lumps
Ferrotungsten lumps containing approximately 70% tungsten and 25-30% iron, used as an alloying additive in steel production to enhance hardness and wear resistance. This product is classified under tariff item 7202.80.00 as ferro-tungsten, a ferro-alloy defined in Chapter 72.
Ferrotungsten Low-Carbon Variant 65% W
Low-carbon ferrotungsten with 65% tungsten and under 0.5% carbon, used in clean steel production for aerospace applications requiring high purity. It is classified as ferro-tungsten under tariff item 7202.80.00, regardless of carbon content, as the definition does not specify carbon limits.
High-Carbon Ferrotungsten 75% W Granules
Granulated ferrotungsten with 75% tungsten and 1-2% carbon, designed for precise addition in specialty steel like high-speed tools. The carbon content does not affect classification under tariff item 7202.80.00, which covers ferro-tungsten without specifying carbon limits.
Premium Ferrotungsten 80% Tungsten Briquettes
Briquetted ferrotungsten with 80% tungsten content, compacted for dense packing and controlled dissolution in stainless steel production. Briquetting does not change the classification; it remains ferro-tungsten under tariff item 7202.80.00 as a primary form.