Ladle Refractory Brick
High-alumina bricks fired for steel ladle working linings, containing >55% Al2O3 for molten steel containment. Designed for multiple heat cycles with erosion resistance. HTS 6902.20.50 for these 'other' refractory bricks.
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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 chromite or magnesite primary composition
Different base materials have specific earlier subheadings.
If pre-formed unshaped ladle patching material
Ramming mixes and plastics classify as other refractory goods.
If non-fired prepared refractory cements
Unfired chemical preparations excluded from Chapter 69.
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Import Tips & Compliance
• Provide ladle lining diagrams showing brick placement
• Certify for >1600°C service temperature
• Separate purge plug bricks to avoid set classification
Related Products under HTS 6902.20.50
High-Alumina Refractory Firebrick
High-alumina refractory firebricks containing over 50% Al2O3, fired after shaping for use in high-temperature furnaces and kilns. These bricks provide excellent thermal shock resistance and corrosion resistance in industrial applications like steelmaking. Classified under 6902.20.50 as refractory ceramic constructional goods other than siliceous fossil meals.
Alumina-Silica Refractory Block
Dense refractory blocks with a mixture of >50% Al2O3 and SiO2, fired for lining blast furnaces and incinerators. They withstand extreme temperatures and chemical erosion in metallurgical processes. Falls under 6902.20.50 as 'other' refractory bricks/blocks beyond basic siliceous types.
Magnesia-Alumina Refractory Brick
Refractory bricks blending >50% Al2O3 with magnesia for basic oxygen furnace linings, fired to high temperatures. Offers superior slag resistance in steel production. HTS 6902.20.50 applies to these 'other' high-alumina/silica content refractory bricks.
Silica-Alumina Anchor Brick
Specialty anchor bricks with >50% SiO2 and Al2O3 mixture, fired for securing fiber modules in industrial furnaces. Designed for high-temperature suspension systems. Classified in 6902.20.50 as other refractory constructional bricks.
High-Purity Alumina Refractory Tile
Fired ceramic tiles with >70% Al2O3 content for lining rotary kilns in cement production. Provides abrasion resistance at temperatures over 1600°C. HTS 6902.20.50 covers these as 'other' refractory tiles.
Checker Refractory Brick
Honeycomb-structured bricks with >50% alumina-silica composition, fired for heat recuperators in glass furnaces. Enables efficient heat recovery through alternating passageways. 6902.20.50 classification for these specialized refractory bricks.