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Description

Description of Al2O3-SiC-C Castable:


Al2O3-SiC-C Castable not only has the characteristics of strong resistance to molten iron, slag erosion and scouring, but also has good thermal shock resistance, good oxidation resistance. It is easy to construct and can be quickly baked without bursting. What is more, it does not stick to iron slag during use, and has a long service life.

Technique Data

Technique Data of Al2O3-SiC-C Castable:


Item

Specification


Slag Line of Main Iron Runner

Iron Line of Main Iron Runner

Branch Iron Runner

Slag Runner

Al2O3  %

56~60

75~70

70~72

65~68

SiC  %

15~30

12~15

12~15

15~18

Bulk Density, g/cm3

110℃×24h

2.9~3.0

2.9~3.0

2.75~2.8

2.65~2.7


1450℃×3h

2.85~2.9

2.85~2.95

2.7~2.75

2.6~2.65

CCS, MPa

110℃×24h

35~40

35~40

30~35

25~30


1450℃×3h

50~60

45~65

35~40

35~40

CMOR, MPa

110℃×24h

4~8

4.5~3.5

5~6

6~7


1450℃×3h

6~7

5.5~7.0

8~10

7~8

HMOR, MPa

1450℃×0.5h

1.5

2.5

3

1.5

PLC, % 

1450℃×3h

+0.1~0.2

+0.1~0.3

+0.1~0.2

+0.1~0.2


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