Bricks for carbon bake furnace |
Item |
|
common |
high B.D |
仿FBA |
仿BFD |
Al2O3,%
|
≥ |
42 |
42 |
42 |
42 |
Fe2O3,% |
≤ |
|
2 |
1.6 |
1.8 |
Ref,℃ |
≥ |
1730 |
1750 |
1750 |
1710 |
PLC,%
(1400℃,2h)
(1450℃,2h)
(1350℃,2h) |
|
|
+0.1~ -0.3 |
|
+0.1~ -0.3 |
|
|
+0.1~ -0.3 |
|
+0.1~ -0.3 |
|
|
|
MOR,Mpa
1200℃,300min 1350℃,300min |
≥
≥ |
|
|
10.0
4.0 |
9.0
3.0 |
High temp.creep,%
0.2Mpa,1280℃ 25h |
≤ |
|
|
0.4 |
0.45 |
liner expension rate 1000℃,% |
≤ |
|
|
0.65 |
0.6 |
AP,% |
≤ |
23 |
18 |
19 |
19 |
CCS,Mpa |
≥ |
29.6 |
39.2 |
29.6 |
39.2 | |
Fire clay bricks
for hot air furnace
|
Item |
|
DN-1 |
DN-2 |
DN-3 |
Al2O3,% |
≥ |
38 |
40 |
42 |
Fe2O3,% |
≤ |
2 |
1.8 |
1.7 |
Ref,℃ |
≥ |
1710 |
1730 |
1750 |
RUL ,℃ |
≥ |
1350 |
1400 |
1420 |
CCS,
Mpa |
≥ |
25 |
35 |
40 |
BD,
G/cm3 |
≥ |
2.0 |
2.1 |
2.2 |
AP,% |
≤ |
24 |
22 |
18 |
PLC,% |
|
1350 ℃,2h +0.1~ -0.3 |
1350 ℃,2h +0.1~ -0.3 |
1350 ℃,2h +0.1~ -0.3 |
High temp.creep,%
(20-50h) |
|
1150℃ ≤0.2 |
1150℃ ≤0.2 |
1150℃ ≤0.2 |
Application |
|
Hot air furnace |
|
Bricks for casting |
Item |
|
SN-40 |
KN-40 |
XN-40 |
ZN-40 |
JZN-40 |
Brick name |
|
Head |
Nozzle |
Sleeve |
Well block |
Steel casting |
Al2O3 ,%
|
≥ |
40 |
40 |
40 |
40 |
40 |
Ref,℃ |
≥ |
1710 |
1710 |
1710 |
1710 |
1710 |
RUL ,℃
|
≥ |
1370 |
1370 |
|
|
|
PLC ,%
(1450℃ ,2h) (1350℃ ,2h) |
|
|
|
|
|
|
|
|
0~ -0.3 |
|
0~ -0.3 |
AP,% |
≤ |
15~23 |
22 |
15~25 |
23 |
17~25 |
CCS Mpa |
≥ |
|
|
|
19.6 |
|
Application |
|
Casting |
|