Show me around

AA Standards Grade 7075 T76

Want to keep this datasheet? Save it now in your required format

Description

Related Standards

Equivalent Materials

Ashby charts

See where AA Standards Grade 7075 T76 falls on the material property chart for Density against Elastic modulus in your materials selection and design process. Our Ashby charts are interactive with more technical data upon clicking. Sign up to get access to this premium feature for free.

Properties

General

Density

ρ

3.1 g/cm³ at 20 °C

Dimension

Dimensions

Dicke

Mechanical

Elastic modulus

E

72 GPa at 20 °C

Elongation

A

8.1 % at 20 °C

Elongation A100

A100

6 % at 20 °C

Elongation A50

A50

7 - 8 % at 20 °C

Plane-Strain Fracture Toughnes

KIC

22 - 35 MPa·√m at 20 °C

Typical for Wrought 7000 Series Aluminium

Poisson's ratio

ν

0.33 [-] at 20 °C

Typical for Wrought 7000 Series Aluminium

Shear modulus

G

26.4 - 27.1 GPa at 20 °C

Typical for Wrought 7000 Series Aluminium

Tensile strength

Rm

500 - 570 MPa at 20 °C

Yield strength

YS

490 MPa at 20 °C

Yield strength Rp0.2

Rp0.2

425 - 450 MPa at 20 °C

Thermal

Coefficient of thermal expansion

α

2.3E-5 1/K at 20 °C

Melting point

Tm

480 °C

Specific heat capacity

cp

910 J/(kg·K) at 20 °C

Thermal conductivity

λ

130 W/(m·K) at 20 °C

Electrical

Electrical conductivity

σel

2.23E+7 - 1.91E+8 S/m at 20 °C

Typical/derived value

Electrical resistivity

ρel

4.48E-8 Ω·m at 20 °C

Typical value

Specific Electrical conductivity

38.5 % IACS

Typical value

Chemical properties

Element

Weight %

Comment

Al

86.9 - 91.4 %

Zn

5.1 - 6.1 %

Mg

2.1 - 2.9 %

Cu

1.2 - 2 %

Cr

0.18 - 0.28 %

More

Technological properties

Brazing

general: no brazing is known or developed

Corrosion properties

Stress corrosion cracking: Operational damage in areas with tensile stresses transverse to the grain structure, limited damage to laboratory samples, general: good, without protection in industrial or seawater atmosphere

General machinability

General: poor (O), good to acceptable

Workability

general (condition): not suitable

This material data has been provided by MakeItFrom.com,WroughtAl_ElectricalResistivity,AluKey.

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.