Brand

Properties

KT-AM₁

(Al₂O₃-MgO)

KT-AM₂

(WA,Spinel)

KT-AM₃

(Al₂O₃-MgO)

KT-AM₄

(High alumina and Spinel)

Chemical Composition (%)

91.0

92.0

90.0

Al₂O₃ > 70

MgO

6.0

5.0

5.0

MgO >11,SiO₂ < 9

CaO

Linear changing after burnt at 1600°C×3h (%)

0.9

0-1.0

0.92

0.8-1.0

Bulk density (g/cm³)

110°C×24h

3.05

3.10

3.08

> 2.90

1600°C×3h

3.0

3.05

3.02

> 2.80

Bending Strenght(MPa)

110°C×24h

8.2

10.0

9.5

> 9.0

1600°C×3h

28.5

30.5

28.2

> 8.0

Compressive Strength(MPa)

110°C×24h

40

39.8

54

> 60

1600°C×3h

129

96

> 85

> 60

Refractory( °C )

1820

1800

1820

-

Usage

The wall&Bottom of Medium-size ladle.Use condition:RH and LF/VD secondary steel making processes ladle.

Continuous casting ladle