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CERTAL®, Al rolled plate

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Description

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.

Related Standards

Properties

Electrical

Electrical conductivity σel

1.80E+7 - 2.20E+7 S/m at 20 °C

General

Density ρ

2.76 g/cm³ at 20 °C

Mechanical

Elastic modulus E

72 GPa at 20 °C

Elongation A50 A50

6 - 9 % at 20 °C

Hardness, HBW HBW

167 - 170 [-] at 20 °C

Test method: 2.5/62.5

Tensile strength Rm

490 - 555 MPa at 20 °C

Yield strength Rp0.2 Rp0.2

400 - 495 MPa at 20 °C

Thermal

Coefficient of thermal expansion α

2.36E-5 1/K at 20 °C

Specific heat capacity cp

862 J/(kg·K) at 20 °C

Thermal conductivity λ

120 - 150 W/(m·K) at 20 °C

Technological properties

Other

Heat treatable alloy

Processing history

Temper: T651

This material data has been provided by Gleich Aluminum.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.