Table 1 provides a direct comparison of physical, thermal and electrical properties of pure titanium with other metals such as 304 stainless steel, aluminium, magnesium, nickel and copper.
Table 1. Comparison of physical properties of titanium with those of other metals
Property
Titanium
304 Stainless Steel
Aluminium
Magnesium
Nickel
Copper
Atomic No.
22
--
13
12
28
29
Atomic Wt.
47.9
26.97
24.32
58.69
63.57
Specific Gravity
4.5
7.9
2.7
1.7
8.9
Linear thermal expansion coefficient (/°C)
8.4X10-6
17X10-6
23X10-6
25X10-6
15X10-6
Specific heat (cal/gr/°C)
0.124
0.12
0.21
0.24
0.11
0.092
Thermal conductivity coefficient (cal/cm2/sec/°C/cm)
0.041
0.039
0.49
0.38
0.22
0.92
Specific electrical resistance (µOhm-cm)
55
72
4.3
9.5
1724
Electrical conductivity (%IACA)
3.1
2.4
64
40
18
100
Young's modulus (kg/mm2)
10850
20403
7050
4570
21000
11000
Poisson's ratio
0.34
0.3
0.33
0.35
0.30
Source: Timet
For more information on this source please visit Timet
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