Refractory Bricks
Refractory Materials for the Tapping Hole and Slagging Channel of Blast Furnace

Refractory Materials for the Tapping Hole and Slagging Channel of Blast Furnace


This series of products are applicable to the tapping channel, slagging channel and ladle slagging line of the blast furnace. It is featured by good construction performance, stable thermal shock resistance, high strength, scouring and erosion resistance, etc.

Items

Main channel materials

Main channel tapping materials

Main channel slagging materials

YH-TGJ1

YH-TGJ2

YH-TGJ3

YH-TGJ4

AL2O3 %

65

70

72-78

58-60

SiC+C %

15

12

12-20

15-35

BD g/cm3 °C

110°C x 24h

2.7

2.8

2.9

2.8

MOR MPa °C

110°C x24h

4.0

2.5

6.0

6.0

1450 °C x 3h

5.0

5.0

6.5

6.5

CCS MPa

110°C x 24h

15

25

25

25

1450°C x 3h

30

50

30

30

Linear dimensional change %dimensional chanqe

1450°C x3h

±0.5

±0.5

±0.5

±0.5

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