Table 4.
The Average values, standard deviations of Young’s modulus (E), 0.2% proof stress (YS), ultimate tensile strength (UTS) elongation to fracture, El., reduction of area, RA, hardness Vickers, HV10N and number of tensile tests for the various groups, typical properties on mill annealed.
| Group | E * [GPa] |
YS [MPa] |
UTS [MPa] |
El. [%] |
Ra | HV10N | Number of Samples |
|---|---|---|---|---|---|---|---|
| AB | 122.1 ± 1 | 1038 ± 7 | 1135 ± 4 | 7.3 ± 1.9 | 12 ± 5 | 372 ± 4 | 3 |
| HT-780 | 120.7 ± 1 | 1042 | 1133 | 8.9 | 12 | 372 ± 3 | 1 |
| HT-1000 | 118.0 ± 1 | 927 ± 7 | 1063 ± 8 | 13.7 ± 1.0 | 25 ± 5 | 338 ± 4 | 3 |
| HIP-780 | 118.0 ± 1 | 1035 ± 1 | 1129 ± 1 | 14.4 ± 2.3 | 28 ± 1 | 374 ± 5 | 3 |
| HIP-920 [4] | 118.5 ± 1 | 976 ± 19 | 1090 ± 18 | 20.1 ± 0.7 | 43 ± 2 | 358 ± 7 | 5 |
| Extruded rod-annealed | 108.0 ± 1 | 909, 917 | 1034, 1037 | 15.4, 16.8 | 50 ± 1 | 349 ± 3 | 2 |
| ASTM F136 Ti-6Al-4V Wrought | ≥795 min | ≥860 | ≥10 | ||||
| ASTM F2924 Tensile | ≥825 | ≥895 | ≥10 |
*—Young’s modulus was calculated in the stress range 200–800 MPa, on a single sample from each batch.