Graphitized Blank
Graphitized Blank
Semi-finished products without lathe processing, good electrical conductivity, can do all kinds of small pieces.
PRODUCT DESCRIPTION
NAME: Graphitized blank
Model:100mm
Introduction
The graphite electrode is mainly made of petroleum coke and needle coke, and the coal asphalt is used as a binder. It is made by calcination, distributing, kneading, forming, roasting, graphitization and machining. It's a conductor which release electric energy in the form of electric arc in the electric arc furnace heats and melts the material. the charge can be divided into a regular power graphite electrode, a high power graphite electrode and an ultra high power graphite electrode according to its quality index. The main raw material for graphite electrode production is petroleum coke. The regular power graphite electrode can be added with a small amount of pitch coke. The sulfur content of petroleum coke and pitch coke cannot exceed 0.5%. Needle coke is also required for the production of high power or ultra high power graphite electrodes.
graphite electrode manufacturer:Shijiazhuang huanan carbon factory
Advantage
The advantage of graphite electrode is that it is easy to process, the electricity discharge processing rate is high, and the graphite loss is small.
Production characteristics
Semi-finished products without lathe processing, good electrical conductivity, can do all kinds of small pieces.
industrial graphite electrodeApplication:
Mainly used in electric arc steelmaking furnaces, refining furnaces, industrial silicon furnaces, yellow phosphorus furnaces, electric resistance furnaces, etc., as conductive usage. The graphite electrode blank is also used to process a variety of shaped graphite products such as enamel, mold, boat and heating element.
Technical Properties of Graphite Electrodes & Nipples
|
Item |
Unit |
HD Graphite Electrode |
|
|
Specific Resistance ≤ |
Electrodes (E) |
μΩ.m |
|
|
Nipple (N) |
|||
|
Flexural Strength≥ |
Electrodes (E) |
MPa |
10 |
|
Nipple (N) |
|||
|
Elastic Modulus ≤ |
Electrodes (E) |
GPa |
|
|
Nipple (N) |
|||
|
Bulk Density ≥ |
Electrodes (E) |
ɡ/㎝³ |
|
|
Nipple (N) |
|||
|
100-600(C.T.E.) ≤ |
Electrodes (E) |
10-6/℃ |
|
|
Nipple (N) |
|||
|
Ash Content ≤ |
Electrodes (E) |
% |
|
|
Nipple (N) |
|||
|
Real Density ≥ |
Electrodes (E) |
ɡ/㎝³ |
|
|
Nipple (N) |
Allowable Current of Graphite Electrodes
|
NorminalDiameter |
HD Graphite Electrode |
||
|
Allowable Current |
|||
|
mm |
in |
A |
A/cm2 |
|
75 |
3 |
1300-2000 |
29-45 |
|
100 |
4 |
1800-3000 |
22-37 |
|
130 |
2800-4200 |
21-31 |
|
|
150 |
6 |
4000-5000 |
22-28 |
|
175 |
7 |
4500-6900 |
18-28 |
|
200 |
8 |
5500-9000 |
15-28 |
|
225 |
9 |
6200-10600 |
15-26 |
|
250 |
10 |
8000-12000 |
16-24 |
|
300 |
12 |
15-22 |
|
|
350 |
14 |
15-22 |
|
|
400 |
16 |
15-22 |
|
Size & Dviation of Graphite Electrode
|
(Unit):mm |
|||||||
|
NorminalDiameter |
Actual Diameters |
Length |
|||||
|
mm |
in |
Black PartMin. |
Standard |
Allow Deviation |
Allow RulerDeviation |
||
|
75 |
3 |
78 |
73 |
72 |
1000 |
+/-50 |
-50-225 |
|
100 |
4 |
103 |
98 |
97 |
1200 |
+/-50 |
-50-225 |
|
130 |
132 |
127 |
126 |
1200 |
+/-50 |
-50-225 |
|
|
150 |
6 |
154 |
149 |
146 |
1600 |
+/-100 |
-100-275 |
|
175 |
7 |
179 |
174 |
171 |
1600 |
+/-100 |
-100-275 |
|
200 |
8 |
205 |
200 |
197 |
1600 |
+/-100 |
-100-275 |
|
225 |
9 |
230 |
225 |
222 |
1600 |
+/-100 |
-100-275 |
|
250 |
10 |
256 |
251 |
248 |
1600/1800 |
+50/-100 |
-100-275 |
|
300 |
12 |
307 |
302 |
299 |
1600/1800 |
+/-100 |
-100-275 |
|
350 |
14 |
357 |
352 |
349 |
1600/1800 |
+/-100 |
-100-275 |
|
400 |
16 |
409 |
403 |
400 |
1600/1800 |
+/-100 |
-100-275 |
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