Characteristics of Titanium Alloys

Basic physical properties of Titanium Alloys(composed to other materials)

Metal Atomic number Atomic weight Specific gravity Melting point
(℃)
Linear expansion coefficient
(/℃)
Titanium
22
47.90
4.5
1,668
8.4×10-6
DAT5
-
-
4.43
1,594
8.8×10-6
DAT51
-
-
4.69
-
8.0×10-6
DAT52
-
-
4.48

-

9.3×10-6
DAT52F
-
-
4.48
-
9.3×10-6
Iron
26
55.85
7.9
1,530
12×10-6
18-8
Stainless steel

(SUS304)
-
-
7.9
1,400~
1,420
17×10-6
Aluminum
13
26.97
2.7
660
23×10-6
Aluminum alloy
(7075)
-

-

2.8
476~
638
23×10-6
Magnesium
12
24.32
1.7
650
25×10-6
Nickel
28
58.69
8.9
1,453
15×10-6
Copper
29
63.57
8.9
1,083
17×10-6
Metal Specific heat
(J/℃/g)
Thermal conductivity
(W/m/℃)
Electric resistance
(×10-8Ωm)
Young’s modulus
(GPa)
Poisson’s radius
Titanium
0.52
17.1
55
106
0.34
DAT5
0.54
7.1
171
111
0.32
DAT51
0.54
6.7
148
80
-
DAT52
0.54
10.5
125
100
-
DAT52F
0.54
10.5
125
100
-
Iron
0.46
62.8
9.7
206
0.31
18-8
Stainless steel

(SUS304)
0.50
16.3
72
200
0.3
Aluminum
0.88
205
2.7
69
0.33
Aluminum alloy
(7075)
0.96
121
5.8
72
0.33
Magnesium
1.00
159
4.3
45
0.35
Nickel
0.46
92.0
9.5
206
0.30
Copper
0.38
385
1.724
108
0.34
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