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Carbon Refractory

Magnesia Carbon (MgO - C) Bricks

BOF
Quality Chemical Properties (%) Physical Properties Main Application
MgO FC Al2O3 AP (%) BD (gm/cm3) CCS (Mpa) HMOR (1400℃X0.5hr)
KA BOF 10 BI 86 10 4 3 3 45 12 Bottom
KA BOF 10 LC 84 12 4 3 3.05 45 12 Lower Cone
KA BOF 14 BL 83 14 3 3 3.1 45 10 Barrel
KA BOF 12 CP 85 12 3 3 3.05 50 10 Charge Pad
KA BOF 16 TN 80 16 4 3 3.1 45 14 Trunnion
KA BOF 15 TH 81 15 4 3 3.1 45 14 Tap Hole
KA BOF 14 TC 84 14 2 3 3.05 40 10 Top Cone

EAF
Quality Chemical Properties (%) Physical Properties Main Application
MgO FC Al2O3 AP (%) BD (gm/cm3) CCS(Mpa) HMOR(1400℃X0.5hr)
KA EAF 12 SL 85 12 3 3 3.05 40 12 Slag Line
KA EAF 14 HS 83 14 3 3 3.1 40 12 Hot Spot
KA EAF 12 CS 85 12 3 3 3.05 42 12 Cold Spot
KA EAF 14 DE 83 14 3 3 3.1 42 12 Door End

STEEL LADLE
Quality Chemical Properties (%) Physical Properties Main Application
MgO FC Al2O3 AP (%) BD (gm/cm3) CCS (Mpa) HMOR (1400℃X0.5hr)
KA LF 8 BI 90 8 2 4 3 45 8 Bottom Impact
KA LF 8 BN 90 8 2 4 3 45 6 Bottom Non Impact
KA LF 10 BC 88 10 2 4 3 45 8 Bottom Conical/Splash Pad
KA LF 12 MP 86 12 2 4 3.05 45 10 Metal Zone Purging
KA LF 12 MN 86 12 2 5 3.05 40 6 Metal Zone Non Purging
KA LF 14 SP 84 14 2 3 3.1 40 10 Slag Zone Purging
KA LF 14 SN 84 14 2 3 3.1 40 8 Slag Zone Non Purging
KA LF 13 FB 85 13 2 5 3 40 6 Free Board

Magnesia Carbon (MgO - C) Bricks

STEEL LADLE
Quality Chemical Properties (%) Physical Properties Main Application
MgO FC Al2O3 AP (%) BD (gm/cm3) CCS (Mpa) HMOR (1400℃X0.5hr)
KA AMC 7 BI 10 7 70 5 3.15 45 6 Bottom Impact
KA AMC 7 BN 10 7 70 6 3.1 40 6 Bottom Non Impact
KA AMC 8 MZ 10 8 74 4 3.15 45 6 Metal Zone
KA AMC 10 SZ 10 10 72 5 3.15 45 6 Slag Zone

Low Carbon Bricks

Quality Chemical Properties (%) Physical Properties Main Application
MgO FC Al2O3 AP (%) BD (gm/cm3) CCS(Mpa) HMOR(1400℃X0.5hr)
KA LC LF 3 90 3 3 5 3.05 40 5 Secondary Refinery Ladle
KA LC LF 5 88 5 3 5.5 3.02 40 5
KA LC LF 7 86 7 3 5.5 3 40 5

Alumina Silicon Carbide Carbon (Al2O3 - SiC - C) Bricks

Quality KA ALSIC 1 KA ALSIC 2 KA ALSIC 3 KA ALSIC 4 KA ALSIC 5 KA ALSIC 6 KA ALSIC 7 KA ALSIC 8
Physical Properties AP (%) 6 6.8 7.3 7.6 8 7.8 7.6 8.3
BD (g/cm3) 3 2.96 2.93 2.88 2.85 2.94 3.01 2.93
CCS (kg/cm2) 500 450 450 400 400 550 600 600
TE (%) @ 1000℃ 0.5 0.5 0.5 0.55 0.55 0.6 0.6 0.6
BS (kg/cm2) @ R.T. 150 130 130 100 100 160 160 150
@1400℃ 100 70 65 55 50 75 90 80
RUL (2kg/cm2,T2℃) ≥1730 ≥1710 ≥1700 ≥1680 ≥1650 ≥1680 ≥1700 ≥1650
Chemical Properties (%) Al2O3 71 67 64 62 60 65 68 64
C 13 13 13 13 13 8 8 8
SiC 9 11 15 17 19 20 19 20
Main Application Torpedo Car Ladle (S/L,M/L,Impact) Roofs Open Ladle
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