Magnesia-Carbon Submerged Entry Nozzle Tip
Replaceable tip for submerged entry nozzles in continuous billet casting, >70% MgO with 22% carbon, pitch-resin bonded for molten steel protection. Prevents clogging and ensures meniscus stability. Classifies under 6815.91.0011 per composition and bonding.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If other refractory goods of alumina or silica
Different mineral base refractories for nozzles classify elsewhere in 6903.
If chromite-magnesia rather than carbon-magnesia
Chromite variants excluded from pure magnesia-carbon subheading.
If parts of continuous casting machines
Nozzles as identifiable parts of specific casting machinery follow 8454.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Document carbon as 'flake graphite' to validate <30% specification
• Tips under 100g may face 6815.99 residual classification scrutiny
• Avoid 'casting machine part' description triggering Chapter 84 review
Related Products under HTS 6815.91.00.11
Phenolic Resin Magnesia-Carbon Well Block
Refractory well block for ladle slide gate assemblies, containing 78% magnesia, 18% carbon via flake graphite, bonded with phenolic resin. Forms stable seating for nozzles in steel pouring systems. Precisely matches 6815.91.0011 specifications.
Resin-Bonded Magnesia Ladle Impact Pad
Refractory impact pad for steel ladle bottoms, 74% magnesia with 12% carbon, chemically bonded by resin to absorb molten steel stream impact. Protects ladle shell from erosion during filling. Fits 6815.91.0011 exactly.
Resin-Bonded Magnesia-Carbon Refractory Brick
High-performance refractory brick composed of over 70% magnesia (MgO) with carbon content under 30%, chemically bonded using phenolic resin or pitch. Used primarily in steel ladle linings for superior slag resistance and thermal shock performance. Classifies under 6815.91.0011 due to its specific magnesia-carbon composition and resin/pitch bonding.
Magnesia-Carbon Ladle Nozzle Insert
Refractory insert for steel ladle nozzles, containing >70% magnesia with 10-25% carbon, resin-bonded for erosion resistance during molten steel pouring. Provides directional flow control in continuous casting operations. Falls under 6815.91.0011 for its specific high-magnesia, carbon-bearing, resin-bonded composition.
Pitch-Bonded Magnesia-Carbon Slide Gate Plate
Refractory slide gate plate for steel ladles, featuring >75% magnesia, 15% graphite carbon, and pitch chemical bonding for high-temperature steel flow control. Enables precise molten metal regulation in secondary metallurgy. Classified in 6815.91.0011 for its magnesia-dominant, carbon-added, pitch-bonded structure.
Resin-Bonded Magnesia-Graphite Purging Plug
Bottom-purging refractory plug for steel ladles, with 72% MgO, 20% graphite, resin-bonded for argon injection and steel homogenization. Withstands extreme thermal cycling and corrosion. Meets 6815.91.0011 criteria through high magnesia, controlled carbon, and resin bonding.