ThermalEast
// SPEC · Refractory Bricks

Semi-Graphite Carbon Brick C 80%

Semi-graphite carbon brick C 80% with high thermal conductivity for blast furnace hearth cooling zones. Suited for steel blast furnaces, ferroalloy submerged arc furnaces, and electric arc furnace bottoms.

Refractory BricksMax Temp: 1600°CGB/T 2992

// Key Features

  • High thermal conductivity promoting efficient blast furnace shell cooling
  • Improved thermal shock resistance versus standard anthracite carbon brick
  • Low ash content minimizing slag-line contamination in metal bath
  • Optimized semi-graphitized matrix balancing mechanical strength and heat transfer

// Technical Specifications

C (%)≥80
Ash Content (%)≤6
Apparent Porosity (%)≤16
Cold Crushing Strength (MPa)≥35
Thermal Conductivity (W/m·K)≥18

// Applications

Blast furnace hearth and bottom cooling zoneBlast furnace bottom liningFerroalloy submerged arc furnace hearthElectric arc furnace bottom liningCalcium carbide furnace inner lining
// Quick Specs
Max Temperature1600°C
Thermal Conductivity18 W/(m·K) at 600°C
Density1.78 g/cm³
StandardGB/T 2992
// Get Pricing

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