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PRODUCT
steel teeming ladle ramming mass

steel teeming ladle ramming mass index:

item

index

CZD £­ 1

CZD £­ 2

refractoriness ¡æ

1790

1750

refractoriness under load       

 4 £¥£¬ ¡æ

1370

1320

compressive strength MPa

110 ¡æ

68.0

55.4

1400 ¡æ

105.5

74.5

high temperature compressive strength MPa

800 ¡æ

53.5

61.8

1400 ¡æ

0.74

0.50

linear change  after burning

£¥

1400 ¡æ

£­ 2.21

£­ 3.03

slag resistance£¨crucible method£©

1450 ¡æ¡Á2h

corrosion      losses    £¥

£­

5.7

penetration £¥

15.6

21.6

thermal shock resistance£¬£¨ 1300 ¡æ£¬water-cool£©£¬times

9

10

apparent porosity £¥

24

24

volume density  g/cm 3

2.57

2.56

usage

used in steel teeming ladle lining body

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