1.理化指标 Physical and chemical index
|
项目ltem |
单位 |
公称直径Nominal Diameter(mm) |
|
行业标准YB/T4088-2000
Industry Standard |
典型值
Typical Values |
|
250-300 |
350-550 |
300-550 |
|
电阻率
Electric Resistivity |
电极Electrode |
μΩ·m |
≤9.0 |
≤9.0 |
7.4-8.8 |
|
接头Nipple |
≤8.5 |
≤8.5 |
4.4-5.5 |
|
抗折强度
Bending strength |
电极Electrode |
Mpa |
≥7.8 |
≥6.4 |
≥8.0 |
|
接头Nipple |
≥13.0 |
≥13.0 |
≥15.0 |
|
弹性模量
Elastic modulus |
电极Electrode |
Gpa |
≤9.3 |
≤9.3 |
≤9.0 |
|
接头Nipple |
≤14.0 |
≤14.0 |
≤13.0 |
|
体积密度
Bulk density |
电极Electrode |
g/cm3 |
≥1.52 |
≥1.52 |
1.55-1.60 |
|
接头Nipple |
≥1.68 |
≥1.68 |
1.70-1.76 |
|
灰分
Ash |
电极Electrode |
％ |
≤0.5 |
≤0.5 |
≤0.3
|
|
接头Nipple |
|
热膨胀系数 CTE
（100-600）℃ |
电极Electrode |
10-6/℃ |
≤2.9 |
≤2.9 |
2.0-2.6 |
|
接头Nipple |
≤2.8 |
≤2.8 |
1.5-1.8 |
2.允许电流负荷 Recommended current carrying capacity
|
公称直径
Nominal Diameter |
行业标准YB/T4088-2000 |
典型值BSTS-RP |
|
允许电流负荷Current Carrying Capacity |
电流密度
Current Density |
粗炼炉
Electrical arc furnace |
|
允许电流负荷
Current Carrying Capacity |
电流密度
Current Density |
|
in |
mm |
A |
A/cm2 |
A |
A/cm2 |
|
12 |
300 |
10000-13000 |
14-18 |
11000-15000 |
15-21 |
|
14 |
350 |
13500-18000 |
14-18 |
15000-20000 |
15-20 |
|
16 |
400 |
18000-23500 |
14-18 |
19000-26000 |
15-20 |
|
18 |
450 |
22000-27000 |
13-17 |
23000-31000 |
14-19 |
|
20 |
500 |
25000-32000 |
13-16 |
28000-36000 |
14-18 |
|
22 |
550 |
30000-40000 |
12-16 |
32000-42000 |
13-17 | | 
