CERTAL® Aluminum Rolled Plate – High Strength & Dimensional Stability, EN AW 7022 (AlZn5Mg3Cu)
High-strength rolled plate CERTAL® is based on alloy EN AW 7022 (AlZn5Mg3Cu). Compared with other high-strength rolled plates, CERTAL® has a significantly lower strength and hardness decrease from plate edge to center and is therefore much more dimensionally stable than, for example, rolled plates made of EN AW 7075.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 23.0 °C | 2.76 g/cm³ |
Dimension
| Property | Value |
|---|---|
Dimensions | Standard stock sizes: 1520mm x 3020mm and 8-100mm in thickness, 1400mm x 3020mm and 110mm in thickness, 1200mm x 3020mm and 120mm in thickness, 1020mm x 3020mm and 130mm in thickness, 950mm x 3020mm and 140mm in thickness |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 23.0 °C | 72 GPa | |
Elongation A50 | 23.0 °C | 6 - 9 % | |
Hardness, HBW | 23.0 °C | 167 - 170 [-] | Test method: 2.5/62.5 |
Tensile strength | 23.0 °C | 490 - 555 MPa | |
Yield strength Rp0.2 | 23.0 °C | 400 - 495 MPa |
Thermal
| Property | Temperature | Value |
|---|---|---|
Coefficient of thermal expansion | 23.0 °C | 2.36E-5 1/K |
Specific heat capacity | 23.0 °C | 862 J/(kg·K) |
Thermal conductivity | 23.0 °C | 120 - 150 W/(m·K) |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical conductivity | 23.0 °C | 1.80E+7 - 2.20E+7 S/m |
Technological properties
| Property | ||
|---|---|---|
| Other | Heat treatable alloy | |
| Processing history | Temper: T651 | |
Metal
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