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Home > Trade Offers > Minerals & Metallurgy > Dimension Customized High Pure Graphite Mould For Sale
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Dimension Customized High Pure Graphite Mould For Sale

Price on request
Action: offer
Category: Minerals & Metallurgy - Mining & Metallurgy Supplies
Country: China
Contact name: Vicky Zhao
Contact E-mail: view
Company: Shijiazhuang huanan carbon factory
Description
graphite electrode for mold

Dimension Customized High Pure Graphite Mould For Sale
Mainly used in steelmaking electric arc furnace, refining furnace, industrial silicon furnace, yellow phosphorus furnace, corundum furnace, etc., as conductive usage.
Graphite electrode series products are made of high quality carbon materials.The main products are: RP graphite electrode, smelting furnace shaped carbon block, impregnated graphite electrode, high power graphite electrode, graphite crucible, electrode paste, recarburizer, and non-standard specifications of shaped carbon products.
PRODUCT DESCRIPTION
NAME: HD Graphite Electrode
MODEL: 100MM
graphite electrodes Supplier:Shijiazhuang huanan carbon factory
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.
China graphite electrodes 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
The production period is long. The production period of regular power graphite electrodes is about 45 days, the production period of ultra high power graphite electrodes is more than 70 days, and the production period of graphite electrode joints (nipples) requiring multiple impregnation is more longer.
Application
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 8.0
Nipple (N) 7.5
Flexural Strength≥ Electrodes (E) MPa 10
Nipple (N) 13.0
Elastic Modulus ≤ Electrodes (E) GPa 12.0
Nipple (N) 14.0
Bulk Density ≥ Electrodes (E) ɡ/㎝³ 1.58
Nipple (N) 1.68
100-600(C.T.E.) ≤ Electrodes (E) 10-6/℃ 2.7
Nipple (N) 2.5
Ash Content ≤ Electrodes (E) % 0.3
Nipple (N) 0.3
Real Density ≥ Electrodes (E) ɡ/㎝³ 2.18
Nipple (N) 2.2

Allowable Current of Graphite Electrodes
Norminal
Diameter HD Graphite Electrode
Allowable Current
mm in A A/cm2
75 3 1300-2000 29-45
100 4 1800-3000 22-37
130 5.2 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 11000-16000 15-22
350 14 15000-22000 15-22
400 16 20000-28000 15-22
Size & Dviation of Graphite Electrode
(Unit):mm
Norminal
 Diameter Actual Diameters Length
mm in Max. Min. Black Part 
Min. Standard Allow Deviation Allow Ruler 
Deviation
75 3 78 73 72 1000 +/-50 -50
-225
100 4 103 98 97 1200 +/-50 -50
-225
130 5.2 132 127 126 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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