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» Titanium Grade 3
Unalloyed titanium offering improved strength and ASME Code design allowables with moderate ductility and excellent weldability. Highly corrosion-resistant in oxidizing and mildly reducing environments, including chlorides.
Composition
Physical Data
Mechanical Data
Fabrication Information
» Composition
| C | < 0.1 % |
| Fe | < 0.3 % |
| N2 | < 0.05 % |
| O2 | < 0.35 % |
| H2 (sheet) | < 0.015 % |
| H2 (bar) | < 0.0125 % |
| H2 (billet) | < 0.0100 % |
| Ti = | Rem |
» Physical Data
| Minimum | Typical | |
| Density g/cm3 (lb/cu.in) | 4.51(0.162) | |
| Melting Range °C+/-15°C (°F) | 1677(3051) | |
| Specific Heat J/g/°C | 0.54 | |
| µohm.cm (µohm.in) | 56(22) | |
| Thermal Conductivity W/mK(Btu/ft h°F) | 22(153) | |
| *Mean Thermal Exp. Coeff. 0-100°C/°C | 8.6 x 10 -6 | |
| *Mean Thermal Exp. Coeff. 0-300°C/°C | 9.2 x 10 -6 | |
| Beta Transus °C+/-15°C(°F) | 921 (1690) |
» Mechanical Data
| Minimum | Typical | |
| Tensile Strength MPa(ksi) | 448 (65) | 593 (86) |
| 0.2% Proof Stress MPa(ksi) | 379 (55) | 462 (67) |
| Elongation over 2 Inches % | 18 | 25 |
| Reduction in Area % | 35 | |
| Elastic Modulus GPa(Msi) | 103 (15) | |
| Hardness Bhn | 200 | |
| Specified Bend Radius <0.070" x Thickness | 2.0 | |
| Specified Bend Radius >0.070In x Thickness | 2.5 | |
| Welded Bend Radius x Thickness | 3.0 | |
| Charpy, V-Notch Impact J(ft Ibf) | 20 (15) | 30 (22) |
| Direct Stress Fatigue Limit (Notch factor Kt4) MPa(ksi) | 116 (17) | |
| Direct Stress Fatigue Limit (Notch factor Kt3) MPa(ksi) | 123 (18) | |
| Direct Stress Fatigue Limit (Notch factor Kt2) MPa(ksi) | 147 (21) | |
| Direct Stress Fatigue Limit (Notch factor Kt1) MPa(ksi) | 278 (40) | |
| Direct Stress Fatigue Limit (Notch factor Kt3.3) MPa(ksi) | 116 (17) | |
| Direct Stress Fatigue Limit (Notch factor Kt2.0) MPa(ksi) | 170 (25) | |
| Direct Stress Fatigue Limit (Notch factor Kt1.5) MPa(ksi) | 247 (36) | |
| Direct Stress Fatigue Limit (Notch factor Kt1.2) MPa(ksi) | 263 (38) | |
| Direct Stress Fatigue Limit (Notch factor Kt1) MPa(ksi) | 170 (25) | |
| Rotating Bend Fatigue Limit (Notch factor Kt3.3)MPa(ksi) | 170 (25) | |
| Rotating Bend Fatigue Limit (Notch factor Kt2)MPa(ksi) | 270 (39) | |
| Rotating Bend Fatigue Limit (Notch factor Kt1)MPa(ksi) | 165 (24) | |
| Rotating Bend Fatigue Limit (Notch factor Kt3)MPa(ksi) | 379 (55) | |
| Short Term Creep, 1.0% Strain (1000h @ 250°C) MPa (ksi) | 131 (19) | |
| Stress Rupture (1000h @ 250°C) MPa | 238 |
» Fabrication Information
| Weldability | Excellent |
| Forging | Rough 907°C (1165°F), finish 843°C (1550°F) |
| Annealing | 704°C (1300°F), 2 hr, AC |
| Stress Relief Annealing | 482-538°C (900-1000°F), 45 min. |
