\ \ \ Properties of materials

Properties of materials


Property
F-4К20
F-4К15М5
F-4S15
F-4UV15
АFGМ
АFG-80VS
F-4КS2
Density, kg/m3
2050-2170
2100-2180
2170-2210
1950
2100-2300
2000-2100
2150
Failing stress, MPа
11,8-14,6
13,7-17,1
9,8-17,1
15-18
8-9
6-7
24,5-26,4
Elongation at break, %
120-160
150-200
150-300
60
10
40-60
250-300
Elasticity modulus, MPа
Under compression
Under tension
805
1500
800
-
520
480
-
-
70-100
-
60-90
-
430
360
Brinell hardness, MPа
49-53,8
49
39-43
59-140
59-93
37-39
Deformation under 10 МPa load (24 h. 22°С), %
2,9-3,0
3,5-4,0
3,0-4,0
-
-
-
6,0
10% deformation stress, МPа
21,5
20
19,5-20,5
-
-
-
15,0
Heat conductivity coefficient, W/(m*К)
0,23
0,29
0,25
-
2,3
0,7-1,1
-
Specific heat, Joule /(kg*К)
0,71
-
0,9
-
-
-
-
Coefficient of linear expansion 10-5, °С -1
within –60 to +20
within –30 to +250
8-11
11-18
-
-
4,5-12,5
12,5-9,5
-
-
-
-
-
-
-
Vicat heat resistance, °С
145-160
-
130-140
-
-
-
-
Water absorption in 24 h., %
0,03
-
0,04
0,01
0-0,1
0-0,2
-
Extreme PV, KPа*m/s
at V= 0,05 m/s
at V= 0,5 m/s
at V= 5 m/s
490
687
1078
588
687
1078
343
412
542
-
-
-
-
-
-
-
-
-
-
-
-
Wear rate,
Мkg/s
Мm/km(in 3 h)
0,25-0,56
0,03
0,18-0,22
0,02
0,56-0,83
0,05
22,0
-
Friction coefficient on steel
0,14-0,30
0,1-0,39
0,15-0,30
-
-
-
-
Operating temperature range, °С
from–60 to +250
from –60 to +250
from –60 to +250
from –60 to +250
from –60 to +250
from –60 to +250