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水口砖Nozzles

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creep resistance

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thermal shock resistance

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chemical resistance

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non-wetting and impenetrable by molten metal

Common applications:

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ladle and tundish in steel-making

Upper Nozzles

Text Box: 牌号 Brand

 

指标 Spec

UN1

UN2

UN3

UN4

UN5

UN6

UN7

UN8

UN9

Al2O3 % min

80

85

65

65

90

93

90

92.5

55

C % min

6

8.8

4

6

-

-

-

-

-

显气孔率Apparent porosity, ≤ %

浸渍Impregnated

10

3

10

10

6

2

6

2

6

Not impregnated

16

10

19

16

-

-

-

-

21

体密Density, ≥ g/cm3

2.82

2.90

2.80

2.85

3.10

3.25

3.10

3.30

2.80

 

Lower Nozzles

Text Box: 牌号 Brand

 

指标 Spec

LN-1

LN-2

LN-3

LN-4

LN-5

LN-6

LN-7

Al2O3 % min

65

80

74

76

65

55

60

C % min

4

6

7

6

6

-

-

显气孔率Apparent porosity, ≤ %

浸渍Impregnated

10

Not impregnated

21

21

21

16

21

21

21