Machinery's Handbook, 31st Edition
Titanium Alloys
547
Table 10. Mechanical Properties of Wrought Titanium Alloys
Room Temperature
Tensile Strength (ksi)
Yield Strength (ksi)
Reduction in Area (%)
Elongation (%)
Nominal Composition (%)
Condition
Commercially Pure
99.5 Ti 99.2 Ti 99.1 Ti 99.0 Ti 99.2 Ti a 98.9 Ti b
Annealed Annealed Annealed Annealed Annealed Annealed Annealed Annealed
48 63 75 96 63 75
35 50 65 85 50 65
30 28 25 20 28 25 16 16 15 15 15 13
55 50 45 40 50 42
Alpha Alloys
5 Al, 2.5 Sn
125 117 145 160 142 152
117 108 138 144 130 140
40
5 Al, 2.5 Sn (low O 2 )
Near Alpha Alloys
8 Al, 1 Mo, 1 V
Duplex annealed Duplex annealed Duplex annealed 975 ° C (1785 ° F) ( 1 ⁄ 2 h), AC 595 ° C (1100 ° F)(2 h), AC As rolled 2.5 cm (1 in.) plate
28 35
11 Sn, 1 Mo, 2.25 Al, 5.0 Zr, 1 Mo, 0.2 Si 6 Al, 2 Sn, 4 Zr, 2 Mo 5 Al, 5 Sn, 2 Zr, 2 Mo, 0.25 Si
35
6 Al, 2 Nb, 1 Ta, 1 Mo
124
110
13
34
6 Al, 2 Sn, 1.5 Zr, 1 Mo, 0.35 Bi, 0.1 Si
Beta forge + duplex anneal
147
137
11
Alpha-Beta Alloys
8 Mn
Annealed Annealed Annealed Annealed Annealed
137 100 144 170 130 155 185 160 184 185
125
15 20 14 10 15 14 10 16 10 11
32
3 Al, 2.5 V 6 Al, 4 V
85
134 160 120 145 170 150 170 165
30 25 35 30 20 22 23 33
Solution + age
6 Al, 4 V (low O 2 )
6 Al, 6 V, 2 Sn
Solution + age Solution + age Solution + age Solution + age
7 Al, 4 Mo
6 Al, 2 Sn, 4 Zr, 6 Mo 6 Al, 2 Sn, 2 Zr, 2 Mo, 2 Cr, 0.25 Si
10 V, 2 Fe, 3 Al
Solution + age
185
174
10
19
Beta Alloys
13 V, 11 Cr, 3 Al
Solution + age Solution + age Solution + age Solution + age
177 185 190 210 128 201
170 175 180 200 121 191
8 8 8 7
8 Mo, 8 V, 2 Fe, 3 Al 3 Al, 8 V, 6 Cr, 4 Mo, 4 Zr
Annealed
15 11
11.5 Mo, 6 Zr, 4.5 Sn
Solution + age
a Also contains 0.2 Pd. b Also contains 0.8 Ni and 0.3 Mo.
Source: Titanium Metals Corp. of America and RMI Co. For strength in MPa, multipy strength in ksi by 6.8947572
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