Specification for Special Bricks
| Quality | ZrO2 % |
Mgo % |
Cr2O3 | SiO2 % |
CaO % |
Al2O3 % |
Fe2O3 % |
C % |
A.P % |
CCS Kg/cm2 |
RUL 2Kg/cm2ta°c |
PCE SK |
PLC 1600° 2 hrs % |
HMOR Kg/cm2 |
Spaling Cycle |
Area of Application |
| MAGNESITE BRICKS | ||||||||||||||||
| MGT TY3 | - | 91 | - | 4 | 2 | 0.5 | 1.0 | - | 20 | 600 | 1600 | 40 | 0.5 | - | - | OHF (KORF) Mixer Slagline & EAF & Lower Part wall of UHP/EAF,EBT |
| MGT (DB) | - | 95 | - | 1 | 1.5 | 0.15 | 1.0 | - | 18 | 600 | 1700 | 40 | 0.5 | - | - | OHF KORF block ,EBT |
| TIM | - | 95 | - | 1 | 2.5 | 1 | 1.0 | 1-2 | 16 (Coked) | 550 | 1750 | 38 | 0.5 | - | - | KORF tuyer blocks /LD Converters |
| MGTH | - | 91 | - | 5 | 2.5 | 1.5 | 2.5 | - | 20 | 500 | 1550 | 38 | 0.5 | - | - | Tap Hole Area |
| MAGNESITE-CHROME BRICKS | ||||||||||||||||
| SPH | - | 70 | 7-12 | 6.5 | 2.5 | 3.5 | 4.5 | - | 20 | 350 | 1580 | 38 | 0.5 | - | 5(W/Q) | OHF,LD Converter wear lining |
| MCH (D) | - | 65 | 8 | 7 | 3 | 4 | 6.0 | - | 21 | 350 | 1650 | 40 | 0.5 | - | AOD,VOD,LRF | |
| MCH (D) TY 1 | - | 65 | 15 | 3 | 2 | 4 | 7.0 | - | 21 | 350 | 1650 | 40 | 0.5 | - | 5(W/Q) | LF,VOD,Copper furnace |
| MCH DB | - | 63 | 15 | 3 | 2 | 5 | 7.0 | - | 20 | 400 | 1700 | 38 | 0.5 | - | 40(BRRA) | EAF,VOD,AOD |
| MCH DB TY 4 | - | 62 | 15 | 2.5 | 1.8 | 4 | 6.5 | - | 20 | 500 | 1700 | 40 | 0.5 | - | - | AOD,VOD |
| MCDB TY1 | - | 62 | 16 | 5.5 | 2 | 5 | 6.5 | - | 20 | 400 | 1700 | 40 | 0.5 | - | - | LF,VOD |
| MCDB TY 2 | - | 66 | 13 | 3 | 1.5 | 5 | 6.5 | - | 19 | 400 | 1700 | 40 | 0.5 | - | - | Furnace for Die & Pigments |
| MCDB TY 3 | - | 80 | 8 | 1.5 | 1.3 | 2 | 5.0 | - | 19 | 400 | 1700 | 40 | 0.5 | - | - | Dolomite Rotary Kiln |
| BCC MC 3 | - | 60 | 16 | 3 | 2 | 5 | 7.0 | - | 18 | 400 | 1700 | 40 | 0.5 | 40at 1500°C | - | AOD,OTBC & CLU Converter |
| BCC MC 4 | - | 57 | 21 | 2.5 | 2 | 5 | 8.0 | - | 18 | 500 | 1750 | 40 | 0.5 | 100at 1400°C | - | VOD Wear lining |
| CHROME - MAGNESITE BRICKS | ||||||||||||||||
| CHM (D) | - | 50 | 18 | 7 | 2.5 | 5 | 8.0 | - | 23 | 300 | 1650 | 38 | 0.5 | - | - | Top portion of AOD |
| CHM (DB) | - | 50 | 22 | 4 | 1.5 | 6 | 10.0 | - | 23 | 300 | 1600 | 38 | 0.5 | - | - | Non Ferrous Furnaces |
| CM DB 3 | - | 58 | 18 | 2 | 1.5 | 5 | 7.0 | - | 18 | 400 | 1700 | 42 | 0.5 | 40at 1500°C | - | AOD,VOD,VAD |
| CM DB 5 | - | 58 | 20 | 1 | 1.2 | 7 | 9.0 | - | 18 | 400 | 1700 | 42 | 0.5 | 40at 1500°C | - | AOD,VOD,VAD |
| MCC-MC | - | 57 | 22 | 0.6 | 1.3 | 6 | 14.0 | - | 18 | 350 | 1700 | - | - | - | - | Upper part of ISA smelter, bottom, settler,uptake,reaction shaft of flash smelter tuyere zone of converter tuyere zone & end wall of anode furnace,TBRC,RHF |
| MCC-MC 1 | - | 55 | 20 | 1 | 1 | 7 | 13.5 | - | 18 | 600 | 1700 | 36 | 0.5 at 1500°c/2hrs | 40 at 1500°c | - | Upper part of ISA smelter, bottom, settler,uptake,reaction shaft of flash smelter tuyere zone of converter tuyere zone & end wall of anode furnace,TBRC,RHF |
| MCC-MC 2 | - | 60 | 18 | 1.5 | 1.5 | 11 | 15.0 | - | 20 | 400 | 1700 | 36 | - | - | - | Bottom, taphole of ISA smelter,bottom settler,uptake, reaction shaftof flash smelter,tuyere zone of converter tuyere zone & end wall of anode furnace,TBRC,RHF |
| MCC-MC 3 | - | 70 | 15 | 1.5 | - | - | - | - | 20 | 350 | 1700 | - | + 0.5 at1600°C/2 hrs. | 40 at 1500°C | 5 (W/Q) | Bottom cylinder splash black, taphole of ISA smelter |
| MAG-ZIR QUALITY | ||||||||||||||||
| MAG-ZIR TY-1 | 12 | 77 | - | 8 | - | - | - | - | 14 | 550 | 1670 | - | - | 100 at 1400°C | - | Top course of regenerater of glass furnace |
| MAG-ZIR TY-2 | 12 | 74 | - | 10 | - | - | - | - | 16 | 500 | 1600 | - | - | 80 at 1400°c | - | Middle course of regenerater of glass furnace |
| MAG-ZIR TY-3 | 16 | 70 | - | 11 | - | - | - | - | 15 | 500 | 1650 | - | - | 100 at 1400°c | - | Top course of regenerater of glass furnace |
