Ad-Carb Materials

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Grade
Composition
Density
GM/CC
Shore
Hardness
Compressive
Strength PSI
Flexural
Strength PSI
C.T.E.
in/in/º
F
x 10
-6
Modules Of
Elasticity
PSA x 10-6
Temperature
Limit in
Air °F
AC-1
CG
1.59
40
8,000
3600
2.5
1.7
700
AC-2
CG
1.71
60
11,000
6700
2.5
2
700
AC-3
CG
1.66
50
12,000
4600
2.4
1.7
700
AC-4
CG-R
1.75
65
20,000
6000
2.9
1.9
500
AC-5
CG-R
1.75
55
11,000
5000
3
1.9
500
AC-6
CG-R
1.80
70
15,000
8000
3
2.2
500
AC-8
G
1.76
40
9,000
5000
1.6
2
750
AC-9
G
1.64
35
4,000
1900
2.2
1.6
750
AC-10
G
1.72
35
5,600
3500
2.1
1.8
750
AC-22
G
1.71
35
7,200
3500
2.2
1.5
750
AC-23
G-P
1.71
35
7,200
3500
2.2
1.5
750
AC-27
G
1.90
85
18,000
10000
3.5
1.9
750
AC-40
CG-B
3.00
40
13,000
6000
2.3
2.9
400
AC-50
CG-BR
2.85
45
17,000
7500
2.6
2.9
750
AC-52
CG-BR
2.55
60
25,000
8500
2.6
3.1
750
AC-60
CG-CU
2.85
50
16,000
7500
3.1
2.8
750
AC-62
CG-CU
2.50
60
24,000
8500
3
2.8
750
AC-80
CG-AG
3.40
45
16,000
7000
3.1
2.7
750
AC-82
CG-AG
2.60
65
24,000
8000
3
2.9
750
AC-101
CG-NI
2.40
60
23,000
7500
2.8
2.8
750
AC-105
CG-NI
2.38
95
53,000
16000
2.5
4.3
750
AC-106
CG-NI
2.85
50
15,000
6500
2.7
3.1
750
AC-230
CG
1.75
65
21,000
8000
2
2.4
700
AC-236
CG-R*
1.85
85
26,000
9500
2.9
3.2
500
AC-240
CG
1.70
85
30,000
9000
2.1
2.5
700
AC-243
G
1.85
90
33,000
12000
2.8
3
850
AC-245
CG-AG
2.45
75
36,000
12000
2.8
4
700
AC-246
CG-R
1.80
95
40,000
12500
3.2
3.3
500
AC-253
CG-AT
2.10
75
27,000
1000
2.3
3.9
700
AC-266
CG-BR
2.40
80
40,000
13000
3.7
4.1
750
AC-276
CG-R
1.74
85
28,000
8500
2.4
2.2
500
AC-290
CG-R
1.85
95
41,000
13000
3.2
3.4
500
AC-301
CG-AT
2.15
100
41,000
12000
2.4
3.5
750
AC-540
G
1.77
50
13,000
5500
1.8
1.3
750
AC-562
G-P
1.88
70
21,000
14000
4.3
1.6
850
AC-577
G
1.85
75
22,000
9500
2.2
2
800
Code:

CG = Carbon Graphite
G = Graphite
P = Purified
R = Resin
B = Babbitt (non-leaded)
BR = Bronze (non-leaded)
CU = Copper
AG = Silver
AT = Antimony
NI = Nickel-Chrome
* = Pressure Tight After Machining
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