Fused Cast Skid Rail Block

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seat: Beijing
Validity to: Long-term effective
Last update: 2017-11-30 16:35
Browse the number: 94
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Fused cast skid rail blocks produced at sunrise are of various types including steel discharging platform brick,skid rail block and iron discharging tank blocks.This series block features great strength,good wear and fused slag corrosion resistance as well as long service life(one to two years). Compared to fused cast AZS and zircon mullite bricks,fused cast skid rail block can reduce maintenance cost and increase furnace efficiency.

Specification and application


1.Mainly made from Al2O3 and ZrO2, it has excellent performance in fire resistance degree, softening deformation temperature,flexural strength,curving temperature,stability and fused slag corrosion,etc. Widely used for steel reheating stove skid rail and steel discharging platform,slot and other consumable parts in industrial furnaces.


2.High abrasion and temperature resistance, ideal for large billet,large friction parts and steel discharging parts in reheating stoves.


3. Gliding rail bricks in steel pusher metallurgical furnaces, the tapping platform (tapping spout) style walking beam furnaces, and also as the interior for incinerators.

Physical and chemical index TY-GM20


Item

Behaviors TY-GM20

Special

Typical

Chemical Composition %

Al2O3

71-74

73

ZrO2

19-22

20.5

SiO2

5-8

6.0

Fe2O3

≤0.5

0.3

Na2O

≤1.0

0.5

CaO

≤0.5

0.5

Apparent Prosity (%)

5-8

<8

True density g/cm3

≥3.0

3.55

Cold Crushing Strength Mpa

≥250

350

Hot Crushing Strength 1300℃ Mpa

 

120

Exudation temperature of Glass phase℃

 

 

Line Expansion 1150℃ %

 

0.9

Thermal conductivity 1250 ℃: W/MK

 

9.2

Bulk Density (g/cm3)

PT(RN)

 

≥3.0

WS(VF)

 

≥3.2

Crystallographic analysis %

Corundum

71

Mullite

-

Glass Phase:

9

Baddeleyite

20

Physical and chemical index TY-GM5


Item

Behaviors TY-GM5

Special

Typical

Chemical Composition %

Al2O3

71-74

73

ZrO2

4.5-6

5.5

SiO2

17-20

19

Fe2O3

≤0.5

0.5

Na2O

≤1.0

1.0

CaO

≤0.5

0.5

Apparent Prosity (%)

5-8

<8

True density g/cm3

≥3.0

3.54

Cold Crushing Strength Mpa

≥250

350

Hot Crushing Strength 1300℃ Mpa

 

45

Exudation temperature of Glass phase℃

 

 

Line Expansion 1150℃ %

 

0.9

Thermal conductivity 1250 ℃: W/MK

 

4.6

Bulk Density (g/cm3)

PT(RN)

 

≥3.0

WS(VF)

 

≥3.2

Crystallographic analysis %

Corundum

39

Mullite

41

Glass Phase:

15

Baddeleyite

5


 

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