|
|
FOR HOT BLAST STOVE
|
FOR EAF ROOF
|
FOR GENERAL USE
|
||||||
|
Goods No.
|
GHHA65
|
GHHA55
|
GHHA48
|
RHS
|
RH1
|
RH2
|
Al75
|
Al-1
|
Al-2
|
|
Al2O3(%) min
|
65
|
55
|
48
|
80
|
75
|
65
|
75
|
65
|
55
|
|
Refractoriness( ) min
|
1790
|
1770
|
1750
|
1850
|
1800
|
1790
|
1790
|
1790
|
1770
|
|
Refractriness under load 0.2 Mpa( )
|
1500
|
1470
|
1420
|
1550
|
1530
|
1520
|
1520
|
1500
|
1470
|
|
Apparent porosity (%) max
|
_
|
_
|
_
|
19
|
19
|
22
|
23
|
23
|
22
|
|
CCS (MPa)min
|
49
|
44.1
|
39.2
|
78.5
|
68.6
|
58.8
|
54
|
49
|
44.1
|
|
Shrinkage after reheating 1500x2h (%) max
|
+0.1-0.4
|
+0.1-0.4
|
+0.1-0.4
|
+0.1-0.4
|
+0.1-0.4
|
+0.1-0.4
|
+0.1-0.4
|
+0.1-0.4
|
+0.1-0.4
|
