Titanium Grade 7 is mechanically and physically equivalent to Titanium Grade 2, with the exception of additional interstitial palladium which makes this material alloy. Grade 7 demonstrates excellent weldability, fabricability, and is the most corrosion resistance of all titanium alloys. Because of these traits, this material is often used in chemical production processes and applications within the production equipment.
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| CHEMICAL COMPOSITION | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Fe 0.3% | O 0.25% | Pd 0.12 – 0.25% | C 0.08% | N 0.03% | |||||
| H 0.015% | Other, total 0.4% | Ti Remainder | |||||||
| PHYSICAL PROPERTIES | ||||||
|---|---|---|---|---|---|---|
| Density | Electrical conductivity (% IACS) | Thermal conductivity (BTU-in/hr-ft²-°F) | Specific heat (BTU/lb-°F) | Thermal expansion (1/°F) | Melting Point (°F) | |
| 0.162 | – | 12.6 | – | – | – | |
| MECHANICAL PROPERTIES | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| PROPERTY | MINIMUM | MAXIMUM | |||||||
| Yield Strength Range (Rp0.2 Offset) (ksi) | – | 50.763 | |||||||
| Tensile Strength Range (Rm) (ksi) | – | 70.343 | |||||||
| Elongation (AL=5 x Ø) | – | 28.0% | |||||||
| Hardness (HV) | – | 150 | |||||||
| Modulus of Elasticity (ksi) (E): 14938 | |||||||||
| Machineability General Index: – | |||||||||
Titanium alloys have several advantageous attributes that allow their use in industries like automobile, consumer electronics, military, aerospace, medical, marine, and sports equipment.
Grade 7 Ti-0.15Pd alloy is highly resistant to corrosion in reducing acids and localized attack in hot halide media. The presence of palladium helps to enhance the alloy's corrosion resistance. This alloy is similar to grade 2, and possesses medium strength and ductility.
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