项目 |
镁碳砖 |
||||||||
QMT-10A |
QMT-10B |
QMT-10C |
QMT-14A |
QMT-14B |
QMT-14C |
QMT-18A |
QMT-18B |
QMT-18C |
|
MgO% ≥ |
80 |
79 |
77 |
76 |
74 |
72 |
72 |
70 |
69 |
C% ≥ |
10 |
10 |
10 |
14 |
14 |
14 |
18 |
18 |
18 |
体积密度 g/cm3 |
3.10±0.08 |
3.05±0.08 |
3.00±0.08 |
3.03±0.08 |
2.98±0.08 |
2.95±0.08 |
2.97±0.08 |
2.92±0.08 |
2.87±0.08 |
显气孔率 %≤ |
4.0 |
4.5 |
5.0 |
3.5 |
3.5 |
4.0 |
3.0 |
3.5 |
4.0 |
常温耐压强度MPa≥ |
40 |
40 |
35 |
40 |
35 |
35 |
35 |
30 |
30 |
常温抗折强度(1400℃,30min)MPa≥ |
6 |
10 |
10 |
项目 |
镁钙碳砖 |
||||||||
QMGT-3A |
QMGT-3B |
QMGT-3C |
QMGT-5A |
QMGT-5B |
QMGT-5C |
QMGT-8A |
QMGT-8B |
QMGT-8C |
|
MgO% ≥ |
65 |
55 |
45 |
65 |
55 |
55 |
55 |
55 |
55 |
CaO% ≥ |
15 |
25 |
35 |
15 |
25 |
20 |
20 |
20 |
20 |
C% ≥ |
4 |
3 |
2 |
6 |
5 |
5 |
9 |
8 |
7 |
体积密度 g/cm3≥ |
2.90 |
2.85 |
2.85 |
2.85 |
2.85 |
2.85 |
2.85 |
2.85 |
2.85 |
显气孔率 %≤ |
6 |
6 |
7 |
5 |
5 |
5 |
4 |
4 |
4 |
常温耐压强度MPa≥ |
35 |
30 |
30 |
35 |
30 |
30 |
35 |
30 |
30 |
项目 |
镁铝碳砖 |
铝镁碳砖 |
铝碳化硅碳砖 |
||||||
QMGT-10 |
QMGT-15 |
QMGT-25 |
QMGT-60 |
QMGT-65 |
QMGT-70 |
QASCT-5A |
QASCT-7A |
QASCT-7b |
|
MgO% ≥ |
63 |
58 |
53 |
15 |
15 |
10 |
|||
Al2O3% ≥ |
10 |
15 |
25 |
55 |
60 |
65 |
65 |
75 |
65 |
C% ≥ |
12 |
12 |
10 |
10 |
8 |
7 |
10 |
10 |
10 |
SiO2 % ≥ |
6 |
7 |
9 |
||||||
体积密度 g/cm3≥ |
2.90 |
2.90 |
2.90 |
2.90 |
2.90 |
2.95 |
2.85 |
3.00 |
2.85 |
显气孔率 %≤ |
6 |
6 |
6 |
8 |
8 |
8 |
8 |
8 |
8 |
常温耐压强度MPa≥ |
35 |
35 |
35 |
40 |
40 |
40 |
40 |
40 |
40 |