Phenolic Resin Magnesia-Graphite Bricks
Phenolic resin-bonded bricks with 72% MgO and 18% graphite for BOF vessel linings, offering superior spalling resistance. Used in basic oxygen furnaces. These fall under tariff item 6815.99.10 as refractory constructional products for iron and steel production.
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 bricks are fired or sintered
Fired refractory bricks are classified in Chapter 69.
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
• Confirm the bricks are not fired or sintered, as that would shift classification to Chapter 69
• Provide the chemical composition and bonding method in the commercial invoice
• Ensure the bricks are intended for metallurgical use
Related Products under Tariff item 6815.99.10
Magnesia Carbon Delta Shaped Inserts
Delta-shaped refractory inserts for ladle shrouds, 78% MgO, 12% carbon, resin-bonded for argon purging systems in steelmaking. These ensure gas distribution without clogging. They fall under tariff item 6815.99.10 as refractory constructional products for metallurgical coke, iron and steel production.
Magnesia Carbon Ladle Nozzle Inserts
Refractory inserts for steel ladle nozzles made with >70% magnesia, 5-25% carbon, and resin-bonded for high thermal shock resistance. Used in continuous casting to control molten steel flow. These fall under tariff item 6815.99.10 as refractory constructional products for iron and steel production.
Magnesia Carbon Submerged Entry Nozzle Tips
Replaceable tips for submerged entry nozzles in continuous casting, made with 75% MgO, 20% carbon, pitch-bonded for steel-slag resistance. Critical for billet quality. These fall under tariff item 6815.99.10 as refractory constructional products for iron and steel production.
Pitch-Bonded Magnesia Carbon Slide Gate Plates
Slide gate plates for steel ladles featuring >70% MgO, 15% graphite carbon, pitch-bonded for erosion resistance in high-temperature molten metal environments. Essential for precise flow control in steel production. These fall under tariff item 6815.99.10 as refractory constructional products for iron and steel production.
Pitch Impregnated Magnesia Carbon Plugs
Porous plugs for steel ladle bottom argon stirring, with 71% MgO, 25% carbon, pitch-bonded and impregnated for durability. Improves steel homogeneity. These fall under tariff item 6815.99.10 as refractory constructional products for iron and steel production.
Resin-Bonded Magnesia Carbon Bricks
High-performance refractory bricks composed of over 70% magnesia (MgO) with carbon content under 30%, chemically bonded using phenolic resin or pitch. These bricks are designed for lining steel ladles and electric arc furnaces. They fall under tariff item 6815.99.10 as refractory constructional products for iron and steel production.