Steel fiber refractory castables


Steel fiber reinforced castable is made of high grade bauxite as aggregate, by the high quality bauxite and corundum powder as matrix, with many kinds of superfine powder composite materials such as binder and additive, heat-resistant fiber prepared with stainless steel. At the same time, because of the addition of steel fiber, the overall strength of the furnace wall is greatly enhanced.
  • Steel fiber refractory castables
  • Steel fiber refractory castables
  • Steel fiber refractory castables
  • Steel fiber refractory castables
  • Steel fiber refractory castables
  • Steel fiber refractory castables
  • Steel fiber refractory castables
  • Steel fiber refractory castables
Steel fiber refractory castables
Steel fiber refractory castables
Steel fiber refractory castables
Steel fiber refractory castables

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Description

Steel fiber reinforced castable is made of high grade bauxite as aggregate, by the high quality bauxite and corundum powder as matrix, with many kinds of superfine powder composite materials such as binder and additive, heat-resistant fiber prepared with stainless steel. At the same time, because of the addition of steel fiber, the overall strength of the furnace wall is greatly enhanced.

Application
  • Used in boiler and furnace outlet, the top and side wall etc.
  • Widely used in iron and steel, metallurgy, chemical industry and building materials industry;
  • In CFB boilers, commonly used in the furnace outlet and the side walls, the top of the cyclone separator, 4)Straight section, cyclone separator, top return feeder parts.
Specification:

Items

 

1

2

3

4

5

Chemical composition/%

Al2O3

MgO

CaO

65

 

1.4

90

4.4

3.2

74

 

1.5

68

 

1.2

84

 

2.0

Compressive strength/Mp

1d

110℃

1000℃

1500℃

10

14

40

43

 

69

 

91

15

40

70

76

14

49

74

80

 

83

 

150

Flexural strength/Mp

110℃

1000℃

1500℃

6

12

13

11

 

21

5

11

13

6

12

13

 

19

23

Flexural strength at high temperature/Mp

1400℃

2.1

9.6

2.4

2.8

 

Line change rate after burning/%

1000℃

1400℃

-0.10

+0.22

 

+0.62

+0.08

+0.30

-0.02

+0.10

±0.1

Refractoriness/℃

 

1770

1830

>1790

>1790

>1790

Bulk Density/g/cm3

 

2.38

3.26

2.60

2.62

2.90

 

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