What is Ti-720?
Ti-720 is a high-performance alloy with high temp titanium. This comprehensive guide covers chemical composition, mechanical properties, and machining characteristics per GB/T or ASTM standards.
Chemical Composition
| Element | Content (%) | Standard |
|---|---|---|
| Ti | Balance | ASTM/GB |
| Al | 5.5-6.5 | ASTM/GB |
| Sn | 3.0-4.0 | ASTM/GB |
| Zr | 3.0-4.0 | ASTM/GB |
| Mo | 1.5-2.5 | ASTM/GB |
Mechanical Properties
| Property | Value | Standard |
|---|---|---|
| Tensile Strength | ≥980 MPa | ASTM/GB |
| Yield Strength | ≥885 MPa | ASTM/GB |
| Elongation | ≥7% | ASTM/GB |
| Hardness | 300 HV | HV |
| Density | 4.42 g/cm³ | 20°C |
Key Features
- High temperature performance
- Excellent corrosion resistance
- High strength at elevated temperatures
- Good oxidation resistance
- Excellent creep resistance
Applications
- Aerospace turbine components
- Jet engine parts
- High temperature industrial equipment
- Chemical processing equipment
- Power generation components
Machinability
Ti-720 has moderate machinability. Recommended: Carbide tools, cutting speed 30-60 m/min, feed 0.10-0.25 mm/rev, generous coolant.
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