石墨电极
技术指标
石墨电极主要用于冶金行业和电石，磷化工企业，工业硅。
Ultra-high power graphite electrode
|
Applied furnace |
AC Furnace |
DC Furnace |
|||
|
Specification |
300-400mm |
450-500mm |
550-600mm |
650-700mm |
|
|
Diameter |
12”-16” |
18”-20” |
22”-24” |
24”-28” |
|
|
Bulk Density |
g/cm3 |
1.65-1.76 |
1.64-1.75 |
1.64-1.75 |
1.64-1.75 |
|
Specific Resistance |
μΩ.m |
4.2-6.0 |
4.2-6.0 |
4.2-6.0 |
4.2-5.5 |
|
Elastic Modulus |
GPa |
7-14 |
7-14 |
7-14 |
7-14 |
|
Kgf/mm2 |
700-1400 |
700-1400 |
700-1400 |
700-1400 |
|
|
Bending Strength |
MPa |
10.5-15 |
10-15 |
10-15 |
10-15 |
|
Kgf/cm2 |
105-150 |
100-150 |
100-150 |
100-150 |
|
|
N/cm2 |
1050-1500 |
1000-1500 |
1000-1500 |
1000-1500 |
|
|
Coefficient of thermal expansion |
X10-6/℃ |
1.0-1.5 |
1.0-1.5 |
1.0-1.5 |
1.0-1.4 |
|
True density |
g/cm3 |
2.20-2.23 |
2.20-2.23 |
2.20-2.23 |
2.20-2.23 |
|
Porosity |
% |
20-26 |
20-27 |
20-27 |
20-27 |
|
Ash |
% |
≤0.2 |
≤0.2 |
≤0.2 |
≤0.2 |
Nipple Characteristic Index
|
Item |
≤φ400 |
φ450-500 |
φ550 |
φ600-700 |
|
Specific resistance |
≤4.0 |
≤3.8 |
≤3.6 |
≤3.6 |
|
Elastic Modulus |
18-24 |
17-25 |
20-28 |
20-28 |
|
Bending Strength |
≤18 |
≤18 |
≤18 |
≤18 |
|
|
|
|
|
|
|
10-6/℃ CTE |
0.9-1.3 |
0.9-1.2 |
0.9-1.1 |
0.9-1.1 |
|
% Ash |
≤0.3 |
≤0.3 |
≤0.3 |
≤0.3 |
APHITE EUHP GRLECTRODE CURRENT CAPACITY
|
SIZE |
CURRENT CAPACITY |
CURRENT DENSITY |
|||
|
Inch |
mm |
AC |
DC |
AC |
DC |
|
12 |
300 |
18000-32000 |
-- |
24-43 |
-- |
|
14 |
350 |
22000-47000 |
-- |
22-39 |
-- |
|
16 |
400 |
28000-47000 |
-- |
21-36 |
-- |
|
18 |
450 |
34000-55000 |
-- |
21-33 |
-- |
|
20 |
500 |
41000-63000 |
-- |
20-31 |
-- |
|
22 |
550 |
48000-70000 |
65000-78000 |
19-28 |
26-32 |
|
24 |
600 |
55000-80000 |
75000-90000 |
19-27 |
26-31 |
|
26 |
650 |
69000-89000 |
87000-104000 |
20-26 |
25-30 |
|
28 |
700 |
80000-100000 |
100000-120000 |
20-25 |
25-30 |