普通功率石墨电极
发布时间:2015-03-05 作者：三联石墨
|
project
|
unit
|
Nominal diameter (mm)
|
|||
|
Industry standard YB/T4088 -
2000 |
Typical values
|
||||
|
250-300
|
350-550
|
300-550
|
|||
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The resistivity
|
electrode
|
Mu omega m.
|
9.0 or less
|
9.0 or less
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7.4 to 8.8
|
|
joint
|
8.5 or less
|
8.5 or less
|
4.4 to 5.5
|
||
|
Flexural strength
|
electrode
|
Mpa
|
7.8 or higher
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6.4 or higher
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8.0 or higher
|
|
joint
|
13.0 or higher
|
13.0 or higher
|
15.0 or higher
|
||
|
Modulus of elasticity
|
electrode
|
Gpa
|
9.3 or less
|
9.3 or less
|
9.0 or less
|
|
joint
|
14.0 or less
|
14.0 or less
|
13.0 or less
|
||
|
Bulk density
|
electrode
|
g/cm3
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1.52 or higher
|
1.52 or higher
|
1.55 to 1.60
|
|
joint
|
1.68 or higher
|
1.68 or higher
|
1.70 to 1.76
|
||
|
Ash content
|
electrode
|
%
|
0.5 or less
|
0.5 or less
|
0.3 or less
|
|
joint
|
|||||
|
Thermal expansion coefficient of CTE
(100-600 ℃) |
electrode
|
10-6 / ℃
|
2.9 or less
|
2.9 or less
|
2.0 to 2.6
|
|
joint
|
2.8 or less
|
2.8 or less
|
1.5 to 1.8
|
||
|
Nominal diameter
|
Industry standard YB/T4088-2000
|
Typical values
|
|||
|
Allow the current
load |
Current density
|
Coarse smelting furnace
|
|||
|
Allow the current load
|
Current density
|
||||
|
in
|
mm
|
A
|
A/cm2
|
A
|
A/cm2
|
|
12
|
300
|
10000-13000
|
14 to 18
|
11000-15000
|
15 to 21
|
|
14
|
350
|
13500-18000
|
14 to 18
|
15000-20000
|
15-20
|
|
16
|
400
|
18000-23500
|
14 to 18
|
19000-26000
|
15-20
|
|
18
|
450
|
22000-27000
|
13-17
|
23000-31000
|
14-19
|
|
20
|
500
|
25000-32000
|
13-16
|
28000-36000
|
14 to 18
|
|
22
|
550
|
30000-40000
|
12-16
|
32000-42000
|
13-17
|
| 技术支持: