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Hot blast stove refatory
Counter 222   Addtime：2006-07-27 19:17:04
Brand name
DRN-120
DRN-125
RN-42
RN-40
RN-36
Item
Al2O3 % 
42
45
42
40
36
Refractoriness ℃ 
1770
1770
1750
1730
1690
0.2MPa CCS ℃
1450
1480
1400
1350
1300
Seize Line changes %
1450 ℃*2h
+0.1~-0.3
1450 ℃*2h
+0.1~-0.2
1450 ℃*2h
0~-0.4
1350 ℃*2h
0~-0.3
1350 ℃*2h
0~-0.5
AP %
19
16
24
24
26
Temperature strength MPa
50
60
29.4
24.5
19.6
Creep rate %
0.8
(1200℃*50h)
0.8
(1250℃*50h)

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