Conventional Castables Steel Industry

Properties NES-CAST
40
NES-CAST
45
NES-CAST
70B
NES-CAST
50 LI
NES-CAST
60 LI
NES-CAST
80 LI
NES-CAST
90 LI
Service Temp oC 1300 1400 1450 1500 1500 1700 1750
Al2O3 % (Min) 40 45 71 50 60 80 90
Fe2O3 % (Max) 3.5 3.0 4 1.4 1.0 1.3 1.0
Grading (mm) 6 6 6 6 6 6 6
RefractorinessoC
Min
1450 1600 1450 1650 1680 1800 1820
BD
110oC/24Hrs
(gms/cc)
2.2 2.1 2.65 2.15 2.25 2.60 2.80
CCS Kg/Cm2
(Min)
110oC
1250oC
1450oC

400
300

275
250


350
-
450


350
-
-


350
-
-


550
-
-


600
-
-
Linear Change
%
Max(+/-) at
TempoC
1.0
at
1350/2Hrs
1.0
at
1400/2Hrs
1.0
at
1450/2Hrs
1.0
at
1500/2Hrs
1.5
at
1550/2Hrs
1.0
at
1550/2Hrs
1.0
at
1550/2Hrs