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RH Furnaces Mag Chrome Brick High Strength Magnesia Alumina Bricks

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RH Furnaces Mag Chrome Brick High Strength Magnesia Alumina Bricks

Brand Name : CRE

Model Number : XWMG

Certification : ISO

Place of Origin : CHINA

MOQ : 10MT

Price : USD700 - 2000/MT

Payment Terms : L/C, T/T

Supply Ability : 10000MT PER MONTH

Delivery Time : 2 Month after received down payment.

Packaging Details : Export Standard pallet

Material : magnesium oxide (MgO) and chromium oxide (Cr2O3)

brand : CRE

CaO Content (%) : 0.34

processing service : Bending, Welding, Punching, Cutting, Moulding

Shape : Brick

product name : Magnesia Chrome brick

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High density long time use life Magnesia-chrome refractory bricks for RH furnaces

Product Description

Magnesia-chrome bricks are refractory products containing magnesium oxide (MgO) and chromium oxide (Cr2O3) as the main components, and periclase and spinel are the main mineral components. This type of brick has high refractoriness, high temperature strength, strong resistance to alkaline slag, excellent thermal stability, and certain adaptability to acidic slag. The main raw materials for the manufacture of magnesia chrome bricks are sintered magnesia and chromite. The purity of the magnesia raw material should be as high as possible. The requirements for the chemical composition of the chromite ore are: Cr2O3: 30-45%, CaO: ≤ 1.0-1.5%.

Brand of name Index	pre-masonry magnesia-chrome bricks
Brand of name Index	XDMG-B	XDMG-M	XDMG-P1	XDMG-P2	XDMG-RB
MgO %	≧54.5	55-62	≧60	≧60	≧70
Cr2O3 %	≧19.5	17-21	≧12-20	≧18	≧15
Al2O3 %				≧6
SiO2 %	≦1.8	≦2	≦2	≦2
Fe2O3 %	≦14.5
CaO %	≦2.5		≦1.3	≦1.3
Mpa Cold crushing strength	≧45	≧40	≧50	≧55	≧45
Mpa Bending strength 1500℃				≧1.0
g/cm3 Bulk density	≧3.20	≧3.0	≧3.18	≧3.26	≧3.0
0.2Mpa ℃ Refractoriness under load T0.6	≧1750	≧1700	≧1700	≧1700
% Apparent porosity	≦18	≦18	≦18	≦18	≦19

RH Furnaces Mag Chrome Brick High Strength Magnesia Alumina Bricks

The size is precise, providing kinds of shapes according to customer's drawing

RH Furnaces Mag Chrome Brick High Strength Magnesia Alumina Bricks

Application of Magnesia Chrome Refractory Brick

Steelmaking basic open hearth
Electric furnace bottom and furnace wall,
lining of oxygen converter
Non-ferrous metal smelting furnace
High temperature tunnel kiln
Calcined magnesia brick
Cement rotary kiln lining
Furnace bottom and furnace wall of heating furnace
Glass kiln regenerator checkered bricks, etc.

Advantage Of Magnesia Chrome Bricks

1) Silicon oxide is above 95%.

2) Good acid erosion resistance.

3) High softening point

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