High Alumina Bricks

HIGH ALUMINA BRICKS AND SHAPES


Products contains high percentage of alumina ranging upto 90% with excellent thermal shock resistance.


TYPES

  • Standard, Side- Arch, End- Arch High Alumina Bricks
  • Hanger, Shoulder bricks and blocks for Reheating furnaces
  • Customised sizes and shapes as per customers' drawing
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High Alumina Bricks

Product Al2O3 (%) Min Fe2O3 (%) Max PCE (°C) Min AP (%) Max CCS (kg/cm²) Min RUL (°C) Min BD (gm/cc) Min PLC (%) Max
IS 6 30 2.5 29 26 200 1300 2.00 (+/-)1.0 @1300°C/2hrs
IS 6 SPECIAL 34 2.5 30 25 250 1350 2.05 (+/-)1.0 @1350°C/2hrs
AL 40 40 2.8 32 24 300 1400 2.15 (+/-)1.0 @1400°C/2hrs
AL 45 45 3.0 32 24 350 1400 2.20 (+/-)1.0 @1450°C/2hrs
AL 40 S 40 2.0 33 22 300 1420 2.20 (+/-)0.75 @1450°C/2hrs
AL 45 S 45 2.0 33 21 350 1440 2.20 (+/-)0.8 @1450°C/2hrs
AL 42 D 42 1.5 34 18 500 1470 2.30 (+/-)0.5 @1450°C/2hrs
AL 50 50 3.0 33 24 400 1400 2.30 (+/-)1.0 @1450°C/2hrs
AL 55 55 3.5 33 24 400 1450 2.45 (+/-)1.5 @1450°C/2hrs
AL 60 60 3.5 35 24 450 1450 2.50 (+/-)2.0 @1450°C/2hrs
AL 70 (B) 70 3.5 36 23 550 1460 2.65 (+/-)2.5 @1450°C/2hrs


High Alumina Bricks (Special)

Product Al2O3 (%) Min Fe2O3 (%) Max PCE (°C) Min AP (%) Max CCS (kg/cm²) Min RUL (°C) Min BD (gm/cc) Min PLC (%) Max
AL 80 80 1.8 37 20 600 1520 2.75 (+/-)0.5 @1500°C/2hrs
AL 85 85 1.5 38 19 700 1550 2.80 (+/-)0.5 @1500°C/2hrs
AL 80 P 80 1.8 37 17 750 1500 2.80 (+/-)0.8 @1500°C/2hrs
AL 85 P 85 1.5 38 17 900 1530 2.85 (+/-)0.8 @1500°C/2hrs
AL 88 RFB 88 1.8 38 15 1000 1580 2.90 (+/-)0.5 @1500°C/2hrs
AL 50 S 50 2.0 34 21 400 1450 2.30 (+/-)1.0 @1500°C/2hrs
AL 55 S 55 2.0 35 22 450 1460 2.35 (+/-)1.0 @1500°C/2hrs
SILLIMINITE BRICK 58 1.5 36 22 400 1520 2.35 (+/-)0.5 @1500°C/2hrs
AL 60 S 60 2.0 36 22 450 1500 2.40 (+/-)0.8 @1500°C/2hrs
AL 62 D 62 1.5 36 16 600 1520 2.55 (+/-)0.5 @1500°C/2hrs
AL 70 S 70 3.0 36 23 500 1460 2.65 (+/-)2.0 @1500°C/2hrs
AL 70 L 70 2.5 36 22 500 1480 2.60 (+/-)0.5 @1500°C/2hrs
AL 70 LI 70 1.5 37 22 600 1520 2.55 (+/-)0.5 @1500°C/2hrs


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