Hot-pressed beryllium in ground and etched condition offers high strength-to-weight ratio with excellent thermal conductivity and dimensional stability, used primarily in aerospace and defense applications requiring lightweight structural components and precision instruments. This condition provides controlled grain structure and improved machinability compared to as-cast beryllium, with tensile strengths typically ranging 300–450 MPa depending on processing parameters, governed by AMS 7906 specification.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Compressive Modulus(Ec) | 289.6 | GPa | 22°C · Bar/Tubing/Rod | ||
Elongation at Break(εf)2 entries | 2.000 | - | 22°C · Bar/Tubing/Rod · Hot pressed (ground and etched) · AMS 7906 · L | ||
| ↳ | 2.000 | - | 22°C · Bar/Tubing/Rod · Hot pressed (ground and etched) · AMS 7906 · LT | ||
Poisson's Ratio(ν) | 0.1000 | - | 22°C | ||
Shear Modulus(G) | 137.9 | GPa | 22°C · Bar/Tubing/Rod | ||
Ultimate Tensile Strength(σUTS)2 entries | 324.1 | MPa | 22°C · Bar/Tubing/Rod · Hot pressed (ground and etched) · AMS 7906 · L | ||
| ↳ | 324.1 | MPa | 22°C · Bar/Tubing/Rod · Hot pressed (ground and etched) · AMS 7906 · LT | ||
Yield Strength (0.2% offset)(σy)2 entries | 241.3 | MPa | 22°C · Bar/Tubing/Rod · Hot pressed (ground and etched) · AMS 7906 · L | ||
| ↳ | 241.3 | MPa | 22°C · Bar/Tubing/Rod · Hot pressed (ground and etched) · AMS 7906 · LT | ||
Young's Modulus(E) | 289.6 | GPa | 22°C · Bar/Tubing/Rod |
3 interactive curves for this material
Stress-strain, S-N fatigue and environmental knockdown curves are free with an account.
Create free account| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
CTE vs Temperature(α(T)) | Curve (5 pts) | 1/K | — | ||
Specific Heat vs Temperature(Cp(T)) | Curve (10 pts) | J/(kg·K) | — | ||
Thermal Conductivity vs Temperature(k(T)) | Curve (7 pts) | W/(m·K) | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 1.855 | kg/m³ | 22°C |