Refractory Brick / block
Category:
The Others
Refractory Brick / block
Keyword:
Refractory Brick / block
- Describe
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Technical instructions

Technical Parameters
refractory castable
Castable1 1:
Item Index International Code Name SK35 SK36 SK37 SK38 SK40 Chinese Code Name LZ-48 LZ-55 LZ-65 LZ-75 LZ-80 Al2O3,% ≥48 ≥55 ≥65 ≥75 ≥80 Fe2O3,% ≤2 ≤2 ≤2 ≤2 ≤2 Refractoriness℃,min 1750 1770 1790 1790 1790 Apparent Porosity,% ≤22 ≤22 ≤23 ≤23 ≤21 Bulk Density,g/cm3 2.25-2.35 2.25-2.35 2.25-2.35 2.25-2.35 2.25-2.35 Cold Crushing Strength Mpa ≥39 ≥44 ≥49 ≥54 ≥65 0.2Mpa Refractoriness Under Load T0.2 ℃,min ≥1420 ≥1470 ≥1500 ≥1520 ≥15 Mg – C brick / al – mg – c brick / mg-al brick
item MgO C BRICK Al2O3 – MgO – C BRICK MT-10A MT-14A MT-16A AMC -6A AMC -8A MgO(%)≥ 80 76 72 84 72 C(%)≥ 10 14 16 6 8 AP(%)≤ 4 3.5 3 10 10 BD (g/cm3) 2.9 2.85 2.8 2.9 2.85 CCS(Mpa)≥ 40 35 35 40 40 Item MA-80 MA-85 MA-88 MgO % 85 88 90 Al2O3 % 7 6.5 6.5 Bulk Density g/cm3 2.9 2.95 3 Cold Crushing Strength Mpa 45 45 50 0.2Mpa Refractoriness Under Load °C 1610 1650 1700 Mg – chrome brick
Item MGe8 MGe12 MGe16 MgO % 72 70 65 Cr2O3 % 10 13 17 Fe2O3 % 4.8 5.5 6.5 Apparent Porosity % 18 18 18 Bulk Density g/cm3 3 3.02 3.05 Cold Crushing Strength Mpa 55 55 50 Refractoriness Under Load °C 1600 1600 1600 Item DMGe12 DMGe16 MgO % 74 69 Cr2O3 % 14 18 Fe2O3 % 5 5.7 Apparent Porosity % 18 18 Bulk Density g/cm3 3.06 3.08 Cold Crushing Strength Mpa 55 55 Refractoriness Under Load °C 1700 1700 AL – SIC – C brick
Item – al2o3 –SIC – C ASC-F1 ASC-F2 ASC-P Al2O3,% ≥ 65 60 55 SiC,% ≥ 10 8 8 C,% ≥ 10 12 5 Apparent porosity,% ≤ 8 8 9 Bulk density,g/cm3 ≥ 2.85 2.83 2.8 Compressive strength in commen temperature,Mpa ≥ 50 50 45 Precast brick : Precast brick spec 1 :
HIGH ALUMINA BASE BRAND HD-LJ50 HD-LJ55 HD-LJ60 HD-LJ65 HD-LJ70 HD-GJ75 Al2O3 (%) ≥ 50 55 60 65 70 75 BD 110℃ × 24 h 2.2 2.2 2.3 2.3 2.5 2.6 (g/cm3) ≥ MOR 110℃ × 24 h 6 7 7 8 8 9 (MPa) ≥ 1350℃ × 3 h 8 8 10 10 11* 11* CCS 110℃ × 24 h 25 30 35 40 45 50 (MPa) ≥ 1350℃ × 3 h 30 40 45 50 60* 65* PLC 1350℃ × 3 h ±0.5 ±0.5 ±0.5 ±0.5 ±0.5* ±0.5* (%) ≤ REF (℃) 1350 1400 1450 1500 1550 1600 Precast brick spec 2 :
ITEM CORUNDUM BASE
MULLITE BASE BRAND HD-GJ80 HD-GJ90 HD-GJ95 HD-MJ55 HD-MJ60 HD-MJ65 HD-MJ70 Al2O3 (%) ≥ 80 90 95 55 60 65 70 BD
(g/cm3) ≥
110℃ × 24 h 2.7 2.8 3.0 2.2 2.3 2.4 2.5 MOR
(MPa) ≥
110℃ × 24 h 9 10 11 7 7 8 9 1350℃ × 3 h 12* 12* 12* 9 10 10 12* CCS
(MPa) ≥
110℃ × 24 h 60 60 60 30 35 40 45 1350℃ × 3 h 70* 75* 80* 40 50 50 60* PLC
(%) ≤
1350℃ × 3 h ±0.5* ±0.5* ±0.5* ±0.5 ±0.5 ±0.5 ±0.5* REF (℃) 1650 1700 1800 1450 1500 1550 1600 Precast brick spec 3 :
item
单位 CORUNDUM+MULLITE + SIC BASE HD-NMJ60 HD-NMJ65 HD-FK-1 HD-YZ-1 Al2O3 % 60 65 70 70 MOR 110℃×24h MPa 6 7 8 8 1150℃×3h 8 9 10 10 CCS 110℃×24h MPa 50 60 70 70 1150℃×3h 70 80 90 90 BD 110℃×24h g/cm3 2.4 2.5 2.6 2.6 PLC 110℃×24h % ±0.1 ±0.1 ±0.1 ±0.1 Precast brick spec 4 :
ITEM HD-CH1 HD-CH2 HD-CH3 CHEM
(%) ≥
Al2O3+Cr2 O3 90 — 90 Al2O3+Zr O2 — 93 — Al2O3+Cr2O3+Zr O2 - 95 - BD
(g/cm3) ≥
110℃ × 24h 3.2 3.3 3.0 MOR
(MPa) ≥
110℃ × 24 h 10 10 10 1500℃ × 3 h 12 12 12 CCS
(MPa) ≥
110℃ × 24 h 40 40 30 1500℃ × 3 h 100 100 80 PLC
(%) ≤
110℃ × 24 h ±0.1 ±0.1 ±0.1 1500℃ × 3 h +0.3~-0.5 +0.3~-0.5 +0.3~-0.5 Precast brick spec 5 :
ITEM HD-DYZ1 HD-DYZ2 HD-DYZ3 HD-DYZ4 Al2O3+MgO(%) ≥ 80 90 ---- ---- chem Al2O3+Mgo+Cr2O3(%) ≥ ---- ---- 85 90 BD 110℃×24h 2.8 2.8 2.9 3 (g/cm3) ≥ MOR (MPa)≥ 110℃×24h 7 8 7 8 1500℃ × 3 h 10 10 10 12 CCS 110℃×24h 40 45 40 54 (MPa) ≥ 1500℃ × 3 h 50 60 60 70
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