7129 (AlZn4.5Mg1.5Cu(A), A97129) Aluminum
Wrought Aluminum Alloys
T5
Property Overview
Density2.9g/cm³
Elastic Modulus69GPa
Tensile Strength430MPa
Yield Strength380MPa
Brinell HardnessUnknown
Maximum Service Temperature180°C
Chemical Composition
CR
0 to 0.1%
MN
0 to 0.1%
SI
0 to 0.15%
CU
0.5 to 0.9%
TI
0 to 0.050%
V
0 to 0.050%
AL
91 to 94%
GA
0 to 0.030%
MG
1.3 to 2.0%
RES.
Residuals res. | | 0 to 0.15%
RESIDUALS RES.
0 to 0.15%
ZN
4.2 to 5.2%
FE
0 to 0.3%
Mechanical
Elastic (Young's, Tensile) Modulus
69 GPa
Elongation at Break
9.1 %
Fatigue Strength
190 MPa
Poisson's Ratio
0.33
Shear Modulus
26 GPa
Shear Strength
260 MPa
Tensile Strength: Ultimate (UTS)
430 MPa
Tensile Strength: Yield (Proof)
380 MPa
Physical
Density
2.9 g/cm 3
Thermal
Latent Heat of Fusion
380 J/g
Maximum Temperature: Mechanical
180 °C
Melting Completion (Liquidus)
630 °C
Melting Onset (Solidus)
510 °C
Specific Heat Capacity
880 J/kg-K
Thermal Conductivity
150 W/m-K
Thermal Diffusivity
58 mm 2 /s
Thermal Expansion
24 µm/m-K
Thermal Shock Resistance
19 points
Electrical
Electrical Conductivity: Equal Volume
40 % IACS
Electrical Conductivity: Equal Weight (Specific)
120 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
38 MJ/m 3
Resilience: Unit (Modulus of Resilience)
1050 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
47 points
Strength to Weight: Axial
41 points
Strength to Weight: Bending
44 points
Environmental
Base Metal Price
9.5 % relative
Embodied Carbon
8.3 kg CO 2 /kg material
Embodied Energy
150 MJ/kg
Embodied Energy
150 MJ/kg 65 x 10 3 BTU/lb
Embodied Water
1150 L/kg
Embodied Water
1150 L/kg 140 gal/lb
Registered Designations & Aliases
7129 (AlZn4.5Mg1.5Cu(A), A97129) AluminumA97129AlZn4.5Mg1.5Cu(AEN AW-7129
Standards
ASTM B221 ASTM B221: Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes
ASTM B221 ASTM B221: Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes Advanced Materials in Automotive Engineering, Jason Rowe (editor), 2012 EN 573-3: Aluminium and aluminium alloys. Chemical composition and form of wrought products. Chemical composition and form of products Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, ASM Handbook vol. 2, ASM International, 1993
EN 573-3 EN 573-3: Aluminium and aluminium alloys. Chemical composition and form of wrought products. Chemical composition and form of products