Designation | Yield Strength (MPa) | Tensile Strength (MPa) | Hardness (Vickers) |
Unalloyed grades | |||
Grade 1 (annealed) | 240 | 330 | 122 |
Grade 2 | 275 - 410 | 344 | 145 |
Grade 3 (annealed) | 450 | 520 | 280 |
Grade 4 (annealed) | 590 | 660 | 280 |
Grade 7 (annealed) | 340 | 430 | 295 |
α or near α alloys |
|
|
|
Ti-3Al-2.5V (α annealed) | 500 | 620 | 280 |
Ti-3Al-2.5V (α-β annealed) | 530 | 620 | 300 |
Ti-3Al-2.5V (β annealed) | 540 | 620 | 300 |
Ti-5Al-2.5Sn | 827 | 860 | 349 |
Ti-5Al-2.5Sn (ELI annealed) | 720 | 775 | 325 |
Ti-8Al-1Mo-1V | 910 | 937 | 349 |
α+ β alloys |
|
|
|
Ti-6Al-4V (grade 5 annealed) | 880 | 950 | 349 |
Ti-6Al-4V (grade 5 ELI annealed) | 790 | 860 | 341 |
Ti-6Al-4V (grade 5 STA) | 1100 | 1170 | 396 |
Ti-6Al-6V-2Sn (annealed) | 980 | 1050 | 367 |
Ti-6Al-6V-2Sn (annealed) | 1035 | 1100 | 407 |
Ti-6Al-6V-2Sn (aged 565˚C) |
|
|
|
Β alloys |
|
|
|
Ti-15V-3Cr-3Al-3Sn (aged 480˚C) | 1250 | 1380 | 370 |
Ti-15V-3Cr-3Al-3Sn (aged 545˚C) | 1010 | 1110 | 410 |