Material Classification
|
Grade
|
Apparent Density - Gm/cc
|
Resistivity x10-6ohm
|
Shore Hardness
|
Flexural Strength Lbs/in²
|
Contact Drop - Volts
|
Friction
|
Permissible Current Density Amps/in²
|
Speed FPM
|
Metal Content (%)
|
Amorphous
|
A-357
|
1.70
|
1,200
|
50
|
2,800
|
M
|
M
|
40
|
4,000
|
|
AC-3
|
1.64
|
1,100
|
55
|
3,000
|
M
|
M
|
50
|
4,000
|
|
A-422
|
1.60
|
800
|
45
|
4,000
|
M
|
H
|
40
|
4,000
|
|
Electrographite
|
E-100
|
1.68
|
350
|
34
|
3,600
|
M
|
VL
|
80
|
9,000
|
|
E-101
|
1.78
|
320
|
45
|
4,500
|
M
|
VL
|
80
|
8,000
|
|
E-110
|
1.66
|
1,500
|
60
|
5,000
|
VH
|
ML
|
80
|
9,000
|
|
E-120
|
1.65
|
1,900
|
60
|
3,700
|
M
|
L
|
80
|
9,000
|
|
E-125
|
1.56
|
1,700
|
45
|
4,000
|
VH
|
ML
|
80
|
9,000
|
|
E-130
|
1.50
|
2,500
|
45
|
3,000
|
VH
|
ML
|
80
|
9,000
|
|
E-146
|
1.65
|
700
|
60
|
6,100
|
M
|
L
|
80
|
8,000
|
|
E-149
|
1.78
|
320
|
45
|
4,500
|
M
|
VL
|
80
|
8,000
|
|
E-150
|
1.46
|
2,500
|
45
|
2,000
|
M
|
L
|
80
|
9,000
|
|
E-153
|
1.55
|
2,300
|
60
|
3,000
|
H
|
VL
|
80
|
9,000
|
|
E-160
|
1.66
|
380
|
35
|
3,000
|
L
|
M
|
80
|
6,000
|
|
E-170
|
1.52
|
2,200
|
50
|
2,900
|
M
|
L
|
80
|
9,000
|
|
E-172
|
1.56
|
2,200
|
60
|
3,200
|
M
|
VL
|
80
|
8,000
|
|
E-176
|
1.65
|
2,100
|
70
|
5,200
|
H
|
VL
|
80
|
8,000
|
|
E-180
|
1.68
|
1,200
|
65
|
4,000
|
L
|
L
|
80
|
8,000
|
|
E-186
|
1.45
|
2,600
|
40
|
1,800
|
H
|
VL
|
80
|
7,000
|
|
E-190
|
1.55
|
2,300
|
55
|
3,300
|
M
|
VL
|
80
|
8,000
|
|
E-196
|
1.66
|
1,900
|
75
|
5,300
|
H
|
VL
|
80
|
7,000
|
|
E-200
|
1.60
|
3,000
|
65
|
2,400
|
M
|
L
|
80
|
7,000
|
|
E-205
|
1.57
|
3,000
|
60
|
2,300
|
H
|
VL
|
80
|
7,000
|
|
E-210
|
1.45
|
600
|
30
|
1,500
|
M
|
VL
|
80
|
9,000
|
|
E-211
|
1.67
|
600
|
45
|
2,000
|
M
|
VL
|
80
|
8,000
|
|
E-220
|
1.58
|
500
|
30
|
2,000
|
M
|
VL
|
80
|
9,000
|
|
Soft Graphite
|
G-700
|
1.82
|
400
|
25
|
2,300
|
H
|
L
|
65
|
9,000
|
|
G-702
|
1.42
|
1,000
|
15
|
700
|
H
|
M
|
65
|
15,000
|
|
G-712
|
1.46
|
1,000
|
18
|
1,000
|
H
|
M
|
65
|
15,000
|
|
Bakelite Graphite
|
G-110
|
1.78
|
1,900
|
35
|
5,500
|
VH
|
L
|
50
|
7,000
|
|
G-120
|
1.76
|
1,500
|
50
|
5,000
|
M
|
VL
|
50
|
6,000
|
|
G-130
|
1.75
|
10,000
|
25
|
3,600
|
VH
|
L
|
40
|
6,500
|
|
G-140
|
1.75
|
80,000
|
55
|
4,500
|
VH
|
L
|
40
|
7,000
|
|
G-150
|
1.73
|
17,000
|
55
|
5,200
|
VH
|
VL
|
40
|
6,000
|
|
G-160
|
1.85
|
900
|
15
|
4,000
|
M
|
L
|
50
|
5,000
|
|
G-170
|
1.52
|
10,000
|
35
|
2,600
|
VH
|
VL
|
65
|
6,900
|
|
Metal Graphite
|
M-30
|
2.30
|
200
|
25
|
4,500
|
VL/L
|
L
|
75
|
8,000
|
30
|
M-50
|
2.95
|
80
|
30
|
3,200
|
VL
|
L
|
90
|
7,000
|
50
|
M-65
|
3.54
|
33
|
30
|
3,400
|
VL
|
L
|
105
|
5,000
|
65
|
M-75
|
4.15
|
13
|
25
|
4,500
|
VL
|
L
|
105
|
5,000
|
75
|
M-93
|
5.80
|
30
|
10
|
14,000
|
ML
|
L
|
150
|
3,500
|
94
|
M-103
|
2.60
|
200
|
40
|
5,200
|
VL
|
L
|
100
|
7,000
|
36
|
M-105
|
2.60
|
250
|
60
|
8,000
|
L
|
M
|
100
|
5,000
|
36
|
Silver Graphite
|
S-50
|
3.00
|
70
|
20
|
3,200
|
VL
|
L
|
160
|
4,000
|
50
|
S-75
|
4.50
|
6
|
20
|
5,500
|
VL
|
L
|
250
|
4,500
|
75
|
S-85
|
5.50
|
3
|
15
|
6,000
|
VL
|
L
|
275
|
5,000
|
85
|
S-93
|
6.40
|
2
|
10
|
6,000
|
VL
|
L
|
300
|
6,500
|
93
|
AC-82
|
2.80
|
240
|
65
|
11,000
|
VL
|
L
|
100
|
7,000
|
40
|
AC-840
|
3.17
|
220
|
45
|
9,300
|
VL
|
L
|
100
|
5,000
|
40
|
|