Caracteristici fizico-functionale ale materialelor electrografitice
Grupa de semifabricat
Marca
Densitate aparenta
Duritate Rockwell
Rezistenta la incovoiere
Rezistivitate
Cadere de tensiune
Coeficient de frecare
Viteza medie de uzura

g/cm³
HR 10/60
MN/m²
mWm
2Uc
m
WE
0
1
2
3
4
5
6
7
8
ELECTRO-GRAFIT
EGR - 3
1,55...1,70
110...120
17
55...75
1,0...2,8
0,20
6,0
EGR - 4
1,50...1,65
105...115
18
45...60
1,5...3,0
0,20
5,0
EGR - 5
1,55...1,75
110...120
21
45...60
1,0...3,5
0,25
7,0
EGR - 8
1,60...1,75
100...120
16
30...50
1,9...2,6
0,20
5,0
EGR - 9
1,60...1,75
85...120
22
16...35
1,0...3,6
0,15
2,5
EGR - 10
1,60...1,75
80...115
22
15...28
1,8...2,6
0,30
4,0
EGR - 12
1,65...1,80
100...125
27
30...45
1,9...2,8
0,20
3,0
EGR - 14
1,60...1,75
90...120
20
25...40
1,6...2,9
0,20
2,5
EGR - 16
1,55...1,70
90...110
16
28...38
1,4...2,4
0,19
2,5
EGR - 18*
1,55...1,70
90...120
18
30...52
1,4...3,0
0,20
3,5
EGR - 19**
1,60...1,75
90...125
14
12...20
1,8...3,5
0,30
6,0
EGR - 20
1,55...1,75
100...125
21
35...52
0,6...2,5
0,20
7,5
EGR - 23
1,60...1,75
70...115
16
20...30
1,5...2,8
0,20
4,0

*
-material EGR folosit in industria bunurilor de larg consum
**
-EGR -19 este folosit la convertizoarele pentru sudura
-Utilizare preponderenta in industria siderurgica
 
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