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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

PropertyTemperatureValue

Density

23.0 °C

2.76 g/cm³

Dimension

PropertyValue

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

PropertyTemperatureValueComment

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

PropertyTemperatureValue

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

PropertyTemperatureValue

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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