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Arora Refractories
Your furnace is only as strong as its refractory lining.
Standards at Arora haven't shifted since 1977 — only the plants we serve have grown.
Arora Refractories — Built to Withstand. Since 1977.
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Fire Bricks (AR Series) — 30 to 80% Al₂O₃

Our alumina firebrick range covers everything from 30% to 80% Al₂O₃ — engineered for hot-face linings across boilers, foundries, rolling mills, reheating and burning-zone furnaces. Every grade meets IS 8 commercial standards.

🔥 Up to 1580°C🧱 11 Grades📏 Standard & Custom Shapes✓ IS 8 Compliant
AR-30 → AR-80BFire Bricks
Alumina Series · AR-Grade

Refractory Firebricks — AR-30 through AR-80B

Complete range of alumina firebricks from general-purpose medium duty (AR-30, 30% Al₂O₃) to super-duty (AR-80B, 80% Al₂O₃). Full IS 8 compliance, batch-tested PCE, BD, AP, CCS, RUL and PLC values. Custom shapes on request.

  • PCE from Or 28 to Or 38 (1670°C to 1850°C)
  • CCS from 250 to 500+ kg/cm²
  • Low iron variants for reducing atmospheres
  • Standard IS shapes + custom shapes
  • Ex-stock delivery for AR-30 to AR-45 grades

Fire Bricks — Full Technical Specifications

11 GRADES
GradeAl₂O₃ (%)Fe₂O₃ (%)PCE OrBD (g/cc)AP (%)CCS (kg/cm²)Max Use Temp
AR-3030 min2.5 max281.95242501300°C
AR-4040 min2.5 max302.05223001400°C
AR-IS-8 Commercial36–382.5 max302.00233001400°C
AR-4545 min2.0 max322.15223501450°C
AR-45D45 min2.0 max342.20204001470°C
AR-50B50 min2.0 max332.20213501430°C
AR-60B60 min1.5 max342.30204001430°C
AR-62D62 min1.5 max372.40184501580°C
AR-70B70 min1.5 max362.45194501470°C
AR-80B80 min1.5 max382.65205001500°C
AR-SMT56 min1.5 max352.30204201500°C
PCE = Pyrometric Cone Equivalent · BD = Bulk Density · AP = Apparent Porosity · CCS = Cold Crushing Strength · RUL = Refractoriness Under Load. Values are typical; ± tolerance per IS standards.
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