|
厂家 |
远洋 |
美国CBY |
兰州 |
莱钢 |
日本石墨 |
天津钢厂 |
国产钢厂 | |||
|
固定碳% |
99.61 |
|
|
|
|
|
95.51 | |||
|
Fe/% |
0.18 |
微碱0.14 |
|
|
|
|
0.035 | |||
|
灰分/% |
0.27 |
0.47 |
|
9.42 |
|
8.97 |
0.35 | |||
|
体积密度(g/m³) |
1.77 |
1.61 |
1.63 |
1.89 |
1.62 |
1.86 |
1.79 | |||
|
显气孔率% |
10.87 |
19.24 |
20.08 |
7.64 |
16.4 |
10.60 |
14.77 | |||
|
耐压强度MPa |
36.00 |
32.45 |
24.79 |
28.36 |
31.68 |
31.01 |
64.21 | |||
|
抗折强度MPa |
22.94 |
16.61 |
|
7.63 |
|
10.60 |
35.35 | |||
|
氧化率% |
10.67 |
|
13.75 |
|
9.91 |
6.82 |
| |||
|
重烧线变化率
(1400℃×4h)% |
+0.067 |
|
|
-0.27 |
|
-0.075 |
| |||
|
透气度/mDa |
|
50.78 |
75.49 |
1.72 |
200 |
0.64 |
| |||
|
膨胀系数10一‘/℃ |
3.83/100℃ |
|
|
|
|
|
| |||
|
平均孔径 |
4.235 |
13.54 |
|
|
|
|
| |||
|
<1μm孔容积/% |
27.80 |
0399 |
|
|
|
|
| |||
|
抗碱性 |
优 |
良 |
|
|
|
优 |
| |||
|
导热系数 |
45℃44.63 |
108.6 |
26.5 |
58.25 |
21.6 |
42.64 |
46.25 | |||
|
W/(m-K) |
|
|
|
|
| |||||