Chinese UHP Graphite Electrode Producers Furnace Electrodes Steelmaking
Technical Parameter
|
Parameter |
Part |
Unit |
RP 400mm(16”) Data |
|
Nominal Diameter |
Electrode |
mm(inch) |
400 |
|
Max Diameter |
mm |
409 |
|
|
Min Diameter |
mm |
403 |
|
|
Nominal Length |
mm |
1600/1800 |
|
|
Max Length |
mm |
1700/1900 |
|
|
Min Length |
mm |
1500/1700 |
|
|
Max Current Density |
KA/cm2 |
14-18 |
|
|
Current Carrying Capacity |
A |
18000-23500 |
|
|
Specific Resistance |
Electrode |
μΩm |
7.5-8.5 |
|
Nipple |
5.8-6.5 |
||
|
Flexural Strength |
Electrode |
Mpa |
≥8.5 |
|
Nipple |
≥16.0 |
||
|
Young’s Modulus |
Electrode |
Gpa |
≤9.3 |
|
Nipple |
≤13.0 |
||
|
Bulk Density |
Electrode |
g/cm3 |
1.55-1.64 |
|
Nipple |
≥1.74 |
||
|
C.T.E. |
Electrode |
×10-6/℃ |
≤2.4 |
|
Nipple |
≤2.0 |
||
|
Ash Content |
Electrode |
% |
≤0.3 |
|
Nipple |
≤0.3 |
NOTE:Any specific requirement on dimension can be offered.
RP Graphite Electrode Introduce
Regular power (RP) grade graphite electrode are produced by ordinary grade petroleum coke production, the raw material requirements are not high quality, graphitization temperature is low, so RP grade graphite electrode’s resistivity is high, thermal shock resistance is poor, linear expansion coefficient is large,the allowable current is low, suitable for ordinary steelmaking. RP grade graphite electrode is more suitable for common power arc furnace of 300Kv.A/t per ton furnace melting.
RP Graphite Electrode Current Carrying Capacity
| Nominal Diameter |
Regular Power(RP) Grade Graphite Electrode |
||
|
mm |
Inch |
Current Carrying Capacity(A) |
Current Density(A/cm2) |
|
300 |
12 |
10000-13000 |
14-18 |
|
350 |
14 |
13500-18000 |
14-18 |
|
400 |
16 |
18000-23500 |
14-18 |
|
450 |
18 |
22000-27000 |
13-17 |
|
500 |
20 |
25000-32000 |
13-16 |
|
550 |
22 |
28000-36000 |
12-15 |
|
600 |
24 |
30000-36000 |
11-13 |
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