Fire Clay & High Alumina Bricks

FIRE CLAY & HIGH ALUMINA BRICKS

Product Name Chemical Analysis (wt%) Apparent Porosity (%) Bulk Density (g/cc)
Min.
CCS (kg/cm2) PLC (%) PCE (0C/OC) Min. RUL (Ta0C) Application Area
Al2O3 Fe2O3
Mahakoshal 30D 28-31 1.7-2.2 13-18 2.10 400-700 ±0.5 at 13000C/2h 1330-1360 Back up of Aluminium Pot Furnace and other applications.
Mahakoshal 40 36-40 2.5-3.5 17-22 2.15 350-550 -0.8 to 0.3 at 14000C/2h 1659/29 1350-1400 Cement Preheater, Cyclone, Silicate Furnace & other moderate heat applications.
Mahakoshal 40S 38-41 1.8-2.5 16-21 2.20 400-600 -1.0to 0.3 at 14500C/2h 1665/30 1370-1420 Special bricks for Cement Preheater & Cyclone.
Mahakoshal 42D 41-43 1.3-1.7 15-18 2.25 450-650 -0.6 to 0.2 at 14500C/2h 1717/32 1450-1480 Dense brick for Blast Furnace & Anode Baking Furnace (ABF)
Mahakoshal 45 42-45 2.5-3.5 17-22 2.23 400-600 -0.8 to 0.3 at 14000C/2h 1665/30 1360-1410 Cement Preheater, Cyclone, Silicate Furnace & other moderate heat applications.
Mahakoshal 45S 42-46 1.8-2.3 16-21 2.25 400-600 -0.8 to 0.3 at 14500C/2h 1683/31 1390-1440 Special purpose Cement Preheater, Cyclone, Chemical Plants, Sulphur Furnaces, Lime Kiln & Glass Tank Furnace.
Mahakoshal 45D 44-48 1.2-1.5 14-18 2.35 450-700 -0.5 to 0.2 at 14500C/2h 1743/33 1460-1500 Blast Furnace, Preheating Zone of Cement Rotary Kiln, Lime Kiln & Glass Tank Furnace.
Mahakoshal RW 17-21 2.25 400-600 -1.0 to 0.2 at 14500C/2h 1683/31 1390-1440 Reheating Furnace Wall.
Mahakoshal 50 47-50 2.6-3.5 17-21 2.32 450-650 -0.8 to 0.4 at 14500C/2h 1717/32 1400-1450 Preheating Zone of Cement Rotary Kiln & Reheating Furnace Wall.
Mahakoshal 50S 47-50 1.8-2.2 16-21 2.30 450-650 -1.0 to 0.3 at 14500C/2h 1717/32 1400-1450 Dense brick for Petro-Chemicals, Fertilizer Plants & Anode Baking Furnace.
Mahakoshal RR 16-22 2.35 450-650 -0.5 to 1.0 at 14500C/2h 1743/33 1430-1480 Reheating Furnace Roof.
Mahakoshal 55 52-55 2.9-3.9 17-22 2.42 450-650 -0.5 to 1.0 at 14500C/2h 1743/33 1400-1440 Preheating Zone of Cement Rotary Kiln & Reheating Furnace Wall.
Mahakoshal 55S 52-56 1.7-2.2 16-21 2.35 500-700 -0.8 to 0.3 at 15000C/2h 1763/34 1450-1500 Reheating Furnace Roof & Petro-Chemicals.
Mahakoshal SILL 56-59 1.0-1.5 17-21 2.35 400-600 ±0.7 at 15000C/2h 1804/36 1500-1540 Glass Tank Furnace & Frit Furnace.
Mahakoshal 60 57-60 3.4-4.2 17-22 2.50 550-800 -0.4 to 2.0 at 14500C/2h 1785/35 1420-1450 Reheating Furnace Wall, Burning  Ladle Back up.
Mahakoshal 60L 57-61 2.8-3.8 17-22 2.45 500-800 -0.2 to 2.2 at 15000C/2h 1785/35 1430-1470 Reheating Furnace Wall, Burning Zone of Cement Rotary Kiln & Ladle Back up.
Mahakoshal 60S 58-61 1.7-2.2 16-21 2.45 500-800 -0.4 to 0.8 at 15000C/2h 1804/36 1470-1510 Sulphur Furnace, Alakli Resistant Bricks for Cement Rotary Kiln & ladle Back up.
Mahakoshal 60M 59-61 0.9-1.1 14-18 2.45 600-800 ±0.5at 16000C/2h 1820/37 1630-1670 Blast Furnace Stove Checkers, Solid Wall Bricks & Glass Tank Furnace.
Mahakoshal 62DB 61-63 1.2-1.7 14-18 2.45 500-800 ±0.8 at 15000C/2h 1785/35 1500-1530 Blast Furnace Stove Checkers, Solid Wall Bricks & Glass Tank Furnace.
Mahakoshal 62D 61-64 1.2-1.5 13-16 2.50 600-900 ±0.5 at 15000C/2h 1804/36 1500-1550 Blast Furnace Hearth, Non-Recovery Coke Oven, Glass Tank Furnace & Frit Furnace.
Mahakoshal 62BRN 62-64 0.9-1.2 12-15 2.50 650-900 ±0.2 at 15000C/2h 1820/37 1500-1550 at 4kg/cm2 Blast Furnace Hearth, Non-Recovery Coke Oven, Glass Tank Furnace.
Mahakoshal 70N 64-67 3.5-4.4 17-23 2.55 500-800 0.5 to 2.5 at 14500C/2h 1804/36 1440-1470 Boiler, Cupola & Steel Foundry
Mahakoshal 70 67-70 3.4-4.0 17-22 2.60 600-900 0.3 to 2.5 at 14500C/2h 1804/36 1460-1480 Boiler, Cupola, Steel Foundry & Reheating Furnace.
Mahakoshal 70S 67-70 2.8-3.2 17-22 2.60 600-900 0.5 to 3.0 at 15000C/2h 1804/36 1460-1480 Burning Zone of Cement Rotary Kiln & Steel Ladle.
Mahakoshal 70L 67-70 2.4-2.8 16-21 2.55 600-800 0.5 to 2.5 at 15000C/2h 1804/36 1460-1490 Burning Zone of Cement Rotary Kiln & Steel Ladle.
Mahakoshal 70/20 68-71 1.8-2.2 16-21 2.55 600-900  0.2 to 2.0 at 15000C/2h 1804/36 1470-1500 Burning Zone of Cement Rotary Kiln & Steel Ladle.
Mahakoshal 70LI 68-72 1.4-1.8 16-21 2.55 600-900 -0.2 to 2.0 at 15000C/2h 1820/37 1500-1530 Burning Zone of Cement Rotary Kiln, Lime Kiln & Steel Ladle.
Mahakoshal 70M 69-72 0.4-0.8 15-18 2.55 600-900 -0.2 to 0.5 at 16000C/2h 1820/37 1650-1700 Blast Furnace Hearth & Taphole, Lime Kiln, Glass Tank Furnace & Non-recovery Coke Oven.
Mahakoshal 75 71-75 2.8-3.5 17-22 2.65 600-900 0.3 to 3.0 at 15000C/2h 1804/36 1470-1490 Blast Furnace Hearth, Lime Kiln, Glass Tank Furnace & Non-recovery Coke Oven.
Mahakoshal 80S 74-77 2.8-3.5 17-22 2.72 700-950 -0.5 to 2.5 at 15500C/2h 1820/37 1470-1500 EAF Roof, Steel Rolling Mill & Steel Ladle.
Mahakoshal 80L 77-80 2.2-2.7 17-22 2.72 700-900 -0.5 to 2.5 at 15500C/2h 1820/37 1490-1520 EAF Roof, Steel Rolling Mill, Steel Ladle & other high heat duty special applications.
Mahakoshal 80 78-81 1.5-2.0 15-19 2.75 750-1000 0.5 to 1.2 at 15500C/2h 1820/37 1520-1550 EAF Roof, Steel Rolling Mill, Steel Ladle & other high heat duty special applications.
Mahakoshal 80P 78-81 1.5-2.0 14-18 2.80 800-1100 0.5 to 1.2 at 15500C/2h 1820/37 1520-1550 Phosphate-bonded bricks for Reheating Furnace Bottom & other high Abrasion Resistant applications.
Mahakoshal 85 82-85 1.4-1.8 15-19 2.80 750-1000 -0.3 to 1.0 at 15500C/2h 1850/38 1540-1580 Special high temperature, high abrasion & spalling resistant applications like Torpedo Ladle etc.
Mahakoshal 85P 82-85 1.4-1.8 13-17 2.85 850-1200 -0.3 to 1.0 at 15500C/2h 1850/38 1540-1580 Non-wetting Phosphate-bonded bricks for Aluminium Melting & Holding Furnace, Reheating Furnace Bottom etc.
Mahakoshal 88RB 86-89 1.0-1.8 12-16 2.90 900-1200 -0.2 to 0.5 at 15000C/2h 1820/37 1580-1620 Reheating Furnace Bottom (specially Coal-fired).
Mahakoshal 90 88-92 0.4-0.8 12-16 3.05 1000-1300  ±0.5 at 15500C/2h 1850/38 1620-1660 Petro-chemicals, Fertilizers, Carbon Black Reactor & Blast Furnace Hearth.
Mahakoshal SIC85 SiC =
80-85
0.5-1.0 14-17 2.50 600-800  -0.2 to 0.5 at 14000C/2h 1620-1680 Ferro-Alloy Industries, Copper Melting Furnace (in Burner Block & Impact Pad areas), Boiler (for very high temperature & Reducing Atmosphere)
Mahakoshal SIC88 SiC =
84-88
0.5-0.8 14-17 2.50 600-900  -0.2 to 0.5 at 14000C/2h 1650-1700 Ferro-Alloy Industries, Copper Melting Furnace (in Burner Block & Impact Pad areas) & Boiler (for high temperature & Reducing Atmosphere applications).

 

        

        

Notes

  • Size Tolerance : ±5% or ± 2.0mm whichever is greater.
  • Mahakoshal does not warrant the accuracy, fitness for purpose or updates of any information disclosed herein. Specification of the products may change based on the geographical area to be supplied.
  • Data shown are based on average results of production samples and are subject to normal variation during individual tests.
  • and Min. values are given separately for testing purposes.
  • The information contained herein are exclusive property of Mahakoshal.

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