Grade 2
Commercially Pure Titanium
Material Data Sheet
Commercially Pure Titanium Grade 2 is an unalloyed, medium strength titanium product. This titanium grade is used in airframes, aircraft engines, and marine parts; good weldability and corrosion resistance are its distinguishing characteristics.
Chemical Composition
| Chemistry | Content % |
|---|---|
| Titanium, Ti | 99.2 |
| Iron, Fe | ≤ 0.3 |
| Oxygen, O | ≤ 0.25 |
| Carbon, C | ≤ 0.1 |
| Nitrogen, N | ≤ 0.03 |
| Hydrogen, H | ≤ 0.015 |
Physical Properties
| Properties | Metric | Imperial |
|---|---|---|
| Density | 4.51 g/cm3 | 0.163 lbs/in3 |
| Melting Point | ≤ 1665 °C | ≤ 3030 °F |
Mechanical Properties
| Properties | Metric | Imperial |
|---|---|---|
| Hardness, Knoop | 170 | 170 |
| Hardness, Rockwell B | 80 | 80 |
| Hardness, Vickers | 145 | 145 |
| Tensile Strength, Ultimate | 344 MPa | 49900 psi |
| Tensile Strength, Yield | 275 – 410 MPa | 39900 – 59500 psi |
| Elongation at Break | 20 % | 20 % |
| Reduction of Area | 35 % | 35 % |
| Modulus of Elasticity | 105 GPa | 15200 ksi |
| Compressive Modulus | 110 GPa | 16000 ksi |
| Poisson’s Ratio | 0.37 | 0.37 |
| Izod Impact | 114 – 171 J | 84.1 – 126 ft-lb |
| Fatigue Strength | 300 MPa | 43500 psi |
| Fatigue Strength | 425 MPa | 61600 psi |
| Fracture Toughness | 66 MPa-m½ | 60.1 ksi-in½ |
| Shear Modulus | 45 GPa | 6530 ksi |
Applications
- Airframe Components
- Cryogenic Vessels
- Heat Exchangers
- CPI Equipment
- Condenser Tubing
- Pickling Baskets
Key Words: ASTM Grade 2; UNS R50400, CP titanium, C.P. titanium alloy
