About Horton Group

HORTON Group, with more than 25 years experience in Metallurgy field, is dedicated to supplying top quality products in the Steel and Foundry Industry. Horton could provide quality products, expert technical support and high level of service for the customers worldwide. HORTON offers solution service for steel and Metallurgy industry.

Magnesia Chrome Brick

Magnesia Chrome Brick



 

Horton series of magnesia-chrome bricks are composite basic refractory products, made from magnesite and chromite burned at high temperature or ultra-high temperatures. The products show the features of excellent resistance against slag, high fired strength, good erosion resistance and thermal shock resistance. They can be applied in AOD/VOD refining furnace, DH/RH degassing device, and lining of nonferrous metal converter and cement kilns.

 

Magnesia-Chrome Brick
Brand HG-8A HG-8B HG-12A HG-12B HG-16A HG-16B HG-20A HG-20B HG-22
MgO   %  Min. 65 60 60 55 50 45 45 40 46
Cr2O3 %  Min. 8 8 12 12 16 16 20 20 22
Apparent Porosity % Max. 20 20 20 20 20 23 20 23 20
Cold Crushing Strength MPa Min. 35 30 35 30 35 30 35 30 35
Refractoriness under Load ℃ Min. 1620 1550 1620 1580 1620 1580 1640 1580 1600


Direct-Bonded Magnesiate-Chrome Bricks
Brand HDB-4 HDB-6 HDB-8A HDB-8B HDB-12A HDB-12B HDB-16A HDB-16B HDB-18A HDB-18B
MgO   %  Min. 80 75 74 74 66 66 60 60 58 58
Cr2O3  %  Min. 4 6 8 8 12 12 16 16 18 18
SiO2% Max. 2.0 2.0 1.5 2.0 1.5 2.0 1.5 2.0 1.5 2.0
Apparent Porosity % Max. 18 18 18 18 18 18 18 18 18 18
Cold Crushing Strength MPa Min. 40 40 40 35 40 35 40 35 40 35
Refractoriness under Load ℃ Min. 1600 1600 1600 1600 1600 1600 1600 1600 1600 1600


  Semi-Rebonded MgO-Cr2O3 brick Rebonded MgO-Cr2O3 brick
Brand HSR-16A HSR-16B HSR-20A HSR-20B HR-16A HR-16B HR-20A HR-20B HR-24 HR-26
MgO % Min. 60 60 55 55 65 60 60 60 52 50
Cr2O3% Min. 16 16 20 20 16 16 20 20 22 24
SiO2% Max. 1.5 1.8 1.5 1.8 1.2 1.6 1.2 1.2 1.2 1.2
Apparent Porosity % Max. 17 17 17 17 16 16 16 16 16 16
Cold Crushing Strength MPa Min. 40 35 40 35 45 40 45 40 45 45
Refractoriness under Load ℃ Min. 1750 1700 1750 1700 1750 1700 1750 1700 1750 1750

 

 


HORTON GROUP
Telephone: 0086 411 82506195 / 82506197
Fax: 0086 411 82336278


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