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