Refractory

  

MAGNESIA-CARBON BRICKS

    Made of 96-99% MgO electric fused magnesite and 194-198 large crystal natural flake graphite, with antioxidation addictives and special resin bond. With superior resistance to slag, corrossion, oxidation, thermal shock and constructional spalling ect.
    Providing customer oriented and cost effective designing, manufacuring, exporting and installing of the magnesia carbon bricks and complete lining used for the converters, EAF and various ladles.

Stand Specification for Magnesia-Carbon Bricks

   Spec.
Brand No.

A.P. <
(%)

B.D. >
(g/cm3)

C.C.S >
(Mpa)

HMOR >
(1400¡æx2h)

MgO >
(%)

C
(%)

MT-18

A

3

2.90

40

10

72

18-20

B

4

2.82

35

7

70

C

5

2.77

25

5

70

MT-14

A

4

2.90

40

12

76

14-17

B

5

2.85

35

8

74

C

6

2.80

25

6

74

MT-10

A

4

2.90

40

6

80

10-13

B

5

2.85

35

5

78

C

6

2.80

30

4

76

 MgO-C Bricks for Converter Lining

BRAND

MC-12b

MC-14a

MC-14b

MC-16a

MC-16b

B.D. (g/cm3) ¡Ý

2.98

2.98

2.98

2.95

2.90

A.P. (%) ¡Ü

5

5

5

5

5

C.C.S (Mpa) ¡Ý

35

40

35

40

35

HOMR (Mpa) ¡Ý

7

14

8

12

10

Chemical
Analysis (%)

MgO >

76

74

74

72

72

F.C >

12

14

14

16

16

MgO-C Bricks for EAF Lining

BRAND

MC-10b

MC-14a

MC-14b

MC-14c

MC-14d

B.D. (g/cm3) ¡Ý

3.00

2.95

2.98

2.98

3.00

A.P. (%) ¡Ü

5

5

5

5

5

C.C.S (Mpa) ¡Ý

35

30

35

40

35

Chemical
Analysis
(%)

MgO >

97.5

96.5

97

97.5

98.5

F.C. >

10

14

14

14

14

SiO2 <

0.5

0.5

0.8

0.5

0.5

CaO >

1.0

1.5

1.8

1.8

2.0


MgO-C Bricks for Ladles

Typical Specifications for Magnesia Carbon Bricks exported to overseas market

Item 1

American Customer Requirement

Typical export value

(¢ñ)

(¢ò)

(¢ñ)

(¢ò)

MgO (%)¡Ý

80

76

83.47

78.27

C(%) ¡Ý

8-10

16-18

9.12

17.20

A.P. (%) ¡Ü

4

4

2.4

1.9

B.D. (g/cm3)¡Ý

2.85

2.85

3.01

2.94

C.C.S (Mpa)¡Ý

25

25

47

48

Item 2

Japanese Customer Requirement

Typical export value

(¢ñ)

(¢ò)

(¢ñ)

(¢ò)

MgO (%)¡Ý

72.4

66

76.71

71.43

C(%) ¡Ý

14

18.5

15.38

19.43

A.P. (%) ¡Ü

4.0

4

2.4

2

B.D. (g/cm3)¡Ý

2.93

2.87

3.01

2.94

C.C.S (Mpa)¡Ý

40

30

49

40

Item 3

Russia  Customer Requirement

Typical export value

S
N
Q
S
N
Q

MgO (%)¡Ý

 
 
 
83
76
78

C(%) ¡Ý

10-12
16-18
14-16
10.98
17.01
14.94

A.P. (%) ¡Ü

3
3
3
2.2
1.6
1.9

B.D. (g/cm3)¡Ý

2.95
2.93
2.90
3.02
2.97
2.99

C.C.S (Mpa)¡Ý

35.5
35.5
35.5
49
44
47
HMOR(Mpa)
1400¡æx30min¡Ý  
10.25
10.25
10.25
15.47
14.83
14.89

Item 4

South African Customer Requirement

Typical export value

MgO (%)¡Ý

74

75.23

C(%) ¡Ý

18

18.58

A.P. (%) ¡Ü

3

1.9

B.D. (g/cm3)¡Ý

2.92

2.95

C.C.S (Mpa)¡Ý

35

43

Item 5

Taiwan's Customer Requirement

Typical export value

MgO (%)¡Ý

77

79.24

C(%) ¡Ý

14

14.79

A.P. (%) ¡Ü

3.0

2.1

B.D. (g/cm3)¡Ý

2.90

3.00

C.C.S (Mpa)¡Ý

37.7

44