Alloy SteelBar/Rod

Description (English)
Ti-6Al-2Sn-4Zr-2Mo, also known as Ti-6-2-4-2, is a near-alpha titanium alloy designed for applications requiring high strength and elevated-temperature performance. UNS 854620 titanium alloy is available in bar and forging forms, with AMS 4975 covering bar products and AMS 4976 covering forgings. VertexAlloy supplies UNS 854620 titanium bars and forgings in standard and customized dimensions according to applicable specifications and project requirements.
Size Range
- Bar Diameter: Typically 10–300 mm
- Bar Length: Up to 6000 mm
- Forgings: Custom dimensions according to drawing or specification
- Cut-to-Length: Available
- Custom Sizes: Available upon request
Grade Specification
| System | Value |
|---|---|
| UNS 854620 / Ti-6Al-2Sn-4Zr-2Mo / Ti-6-2-4-2 | - |
Chemical Composition
| Element | Value |
|---|---|
| Ti | Bal |
| Al | 6.0% |
| Sn | 2.0% |
| Zr | 4.0% |
| Mo | 2.0% |
| C | ≤ 0.04% |
| Fe | ≤ 0.15% |
| N | ≤ 0.04% |
| H | ≤ 0.015% |
| O | ≤ 0.12% |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 140 ksi (965 MPa) |
| Yield Strength | 130 ksi (896 MPa) |
| Elongation | 15% |
| Hardness | Rockwell C39 |
Physical Properties
| Property | Unit | Value |
|---|---|---|
| Density | - | 4.54 g/cm³ |
| Melting Range | - | Approx. 1,660–1,670°C |
| Elastic Modulus | - | Approx. 114 GPa |
| Thermal Conductivity | - | Approx. 6.7 W/m·K |
| Specific Heat | - | Approx. 0.58 kJ/kg·K |
| Coefficient of Thermal Expansion | - | Approx. 9.0 × 10⁻⁶ /°C |
Applications
- Aerospace components
- Aircraft engine components
- High-temperature structural components
- Forged aerospace parts
- High-strength engineering components

