7022 (AlZn5Mg3Cu, 3.4345) Aluminum

Wrought Aluminum Alloys

Material conditionT6

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density2.9g/cm³

Elastic Modulus70GPa

Tensile Strength500MPa

Yield Strength420MPa

Brinell Hardness130HB

Maximum Service Temperature200°C

Weight Calculator

Chemical Composition

0.1 to 0.3%

0.1 to 0.4%

0 to 0.5%

0.5 to 1.0%

0 to 0.2%

87.9 to 92.4%

2.6 to 3.7%

RES.

Residuals res. | | 0 to 0.15%

RESIDUALS RES.

0 to 0.15%

4.3 to 5.2%

0 to 0.2%

0 to 0.5%

Mechanical

Elastic (Young's, Tensile) Modulus

70 GPa

Elongation at Break

7.8 %

Fatigue Strength

160 MPa

Poisson's Ratio

0.32

Shear Modulus

26 GPa

Shear Strength

290 MPa

Tensile Strength: Ultimate (UTS)

500 MPa

Tensile Strength: Yield (Proof)

420 MPa

Hardness

Brinell Hardness

130

Physical

Density

2.9 g/cm 3

Thermal

Latent Heat of Fusion

380 J/g

Maximum Temperature: Mechanical

200 °C

Melting Completion (Liquidus)

640 °C

Melting Onset (Solidus)

480 °C

Specific Heat Capacity

870 J/kg-K

Thermal Conductivity

140 W/m-K

Thermal Diffusivity

54 mm 2 /s

Thermal Expansion

24 µm/m-K

Thermal Shock Resistance

22 points

Electrical

Electrical Conductivity: Equal Volume

21 % IACS

Electrical Conductivity: Equal Weight (Specific)

65 % IACS

Calculated

Resilience: Ultimate (Unit Rupture Work)

37 MJ/m 3

Resilience: Unit (Modulus of Resilience)

1280 kJ/m 3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

47 points

Strength to Weight: Axial

48 points

Strength to Weight: Bending

48 points

Environmental

Base Metal Price

10 % relative

Embodied Carbon

8.5 kg CO 2 /kg material

Embodied Energy

150 MJ/kg

Embodied Energy

150 MJ/kg 65 x 10 3 BTU/lb

Embodied Water

1130 L/kg

Embodied Water

1130 L/kg 140 gal/lb

Registered Designations & Aliases

3.43457022 (AlZn5Mg3Cu, 3.4345) AluminumA97022AlZn5Mg3CuEN AW-7022

Standards

EN 485-2 EN 485-2: Aluminium and aluminium alloys. Sheet, strip and plate. Mechanical properties

EN 573-3 EN 573-3: Aluminium and aluminium alloys. Chemical composition and form of wrought products. Chemical composition and form of products

EN 754-2 EN 754-2: Aluminium and aluminium alloys. Cold drawn rod/bar and tube. Mechanical properties

EN 754-2 EN 754-2: Aluminium and aluminium alloys. Cold drawn rod/bar and tube. Mechanical properties EN 755-2: Aluminium and aluminium alloys. Extruded rod/bar, tube and profiles. Mechanical properties EN 485-2: Aluminium and aluminium alloys. Sheet, strip and plate. Mechanical properties

EN 755-2 EN 755-2: Aluminium and aluminium alloys. Extruded rod/bar, tube and profiles. Mechanical properties

ISO 6361-2 ISO 6361-2: Wrought aluminium and aluminium alloys - Sheets, strips and plates - Part 2: Mechanical properties