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Your present location:Home >> EAF Refractory >> Magnesia Carbon Brick
  • Name: Magnesia Carbon Brick
  • Products Id: a6
  • Advantage: High temperature resistance strength, corrosion and spalling resistance
  • Delivery Time: 30-60 Days
  • Products Used:

Magnesia carbon brick series used for the electric furnace are made by adoption of fused magnesite, high-purity magnesium sand and graphite as principal raw material, through high-pressure molding and low-temperature treatment. This product is mainly used for electric furnace lining, which enjoys advantages including high temperature resistance strength, corrosion and spalling resistance. According to the smelting conditions and the kind of smelting steel, different brands magnesia carbon bricks are available.

Physical and chemical indexes

Brand

MT-12A

MT-12B

MT-12C

MT-14A

MT-14B

MT-14C

Chemical

Composition/%,≥

MgO

78

76

74

76

74

72

C

12

12

12

14

14

14

Apparent porosity/%, ≤

4

5

6

4

5

6

Bulk density g/cm3,  ≥

 

2.98

2.96

2.95

2.98

2.96

2.95

Crushing strength/Mpa,≥

 

40

40

35

40

40

35

Hot modulus of rupture,≥

(1450℃) /Mpa

8

7

6

12

10

8

 

Brand

MT-16A

MT-16B

MT-16C

MT-18A

MT-18B

MT-18C

Chemical

Composition/%,≥

MgO

74

72

72

72

70

70

C

16

16

16

18

18

18

Apparent porosity/%,≤

4

5

5

3

4

5

Bulk density g/cm3,  ≥

 

2.93

2.90

2.90

2.90

2.88

2.85

Crushing strength/Mpa,≥

 

40

35

30

40

35

30

Hot modulus of rupture,≥

(1450℃) /Mpa

11

8

5

10

7

4

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