Low Creep Checker Bricks Hot Blast Furnace Low Creep High Alumina Andalusite Checker Bricks

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200 m.t
Supply Capability:
10000 m.t/month
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Product Description:

CNBM Group is listed No.187 in on Fortune Global 500, 2020.


Refractory is one of the main products of the group. At the same time, under the globalization strategy, CNBM International is the exporter, logistic and local service supplier. 


  • 13 Refractory plants locate in 9 different cities

  • 15 professor level senior engineers,239 engineers,5 senior experts committed Iron & Steel industry

  • Annual production capacity is over 400,000 tons.


Product Name: Low Creep High Alumina Andalusite Checker Brick for HBF. 

Features:

High thermal shock resistance

Low creep 


Technical Data Sheet for DRL-145


ITEMS

UNIT

VALUE

Al2O3

%

≥65

Fe2O3

%

≤1.5

TiO2

%

≤0.6

Bulk Density

g/cm3

2.5

Apparent Porosity

%

≤23

CCS

Mpa

≥55

0.2 Mpa RUL

, 0.2MPa

≥1550

Refractoriness

≥1790

0.2 Mpa Creep Rate

1450×0~50h

, 0.2MPa 1450×0~50h

%

≤0.8

Thermal Shock Resistance    

1100, water

1100

cycle

≥30


Product Photos of 7-hole Low Creep Checker Bricks

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Q:What is the difference between metal compounds and metal solid solutions?
Solid solution refers to the alloy phase in which the solute atoms are dissolved into the solvent lattice and remain solvent type. A crystalline substance consisting usually of atoms or molecules in which a chemical substance is dissolved as a base; other substances are found in alloys and silicate systems; also present in polyatomic substances. The mixture can be treated as a solution when the crystal structure of the solvent can be stabilized and homogeneous after addition of solute. Some mixtures can form solid solutions in many concentrations, while some mixtures do not form solid solutions at all.
Q:What refractory material does cupola lining use?
It's made of high quality refractory material: 1770 ~ 2000 centigrade.
Q:What are the grades of high alumina bricks?
High alumina brick according to the aluminum content is generally divided into: super high alumina brick, a high aluminum brick, two high alumina brick, three high alumina brick
Q:How high can aluminum bricks expand at 80O degrees of heat?
When an object is heated, the particle moves faster and thus occupies additional space. This phenomenon is called dilation.
Q:What is the difference between corundum and high alumina??
The difference between them lies in the content of alumina and the alumina refractory products with alumina content higher than 48%The content of Al2O3 is higher than 90%, which is called corundum brick.
Q:Can high alumina brick resist carburizing?
The resistance to carburization is not directly related to the bulk density of bricks
Q:Which is better, the soft core or the hard core?
The wire has two kinds of hard core and soft core, the hard core line is only one wire core, and the soft core line has a plurality of wire cores. For the same sectional area, the 7 core is more than the more than 30 core. There is a difference in use. Generally used for DC is the use of hard core line, because of its small line consumption; and for communication, we should use soft core line, but also in order to reduce its line consumption
Q:What is the density of a super high alumina brick and what is the price?
Of course, the transaction price, please choose refractory brick manufacturer is better.
Q:What's the weight of the refractory bricks?
According to shape and size can be divided into standard brick, ordinary brick, special brick, etc.. It can be used as high temperature building materials and structural materials for construction kilns and various thermal equipments, and can undergo various physical, chemical and mechanical changes at high temperature. For example, refractory clay brick, high alumina brick, brick, brick etc..
Q:What are the main components of high alumina bricks?
Sweat is like water mineral alumina bauxite, aluminum ore, magnesite, waves of gibbsite. Anhydrous alumina raw material, such as corundum, alumina, fused corundum. High alumina brick Zhengzhou gold company specializing in the production of various specifications, you can directly ask their technical staff.

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