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7049A Aluminum vs. A357.0 Aluminum

Both 7049A aluminum and A357.0 aluminum are aluminum alloys. They have 88% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 7049A aluminum and the bottom bar is A357.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
70
Elongation at Break, % 5.0 to 5.7
3.7
Fatigue Strength, MPa 180
100
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 340 to 350
240
Tensile Strength: Ultimate (UTS), MPa 580 to 590
350
Tensile Strength: Yield (Proof), MPa 500 to 530
270

Thermal Properties

Latent Heat of Fusion, J/g 370
500
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 640
610
Melting Onset (Solidus), °C 430
560
Specific Heat Capacity, J/kg-K 850
900
Thermal Conductivity, W/m-K 130
160
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
40
Electrical Conductivity: Equal Weight (Specific), % IACS 120
140

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 3.1
2.6
Embodied Carbon, kg CO2/kg material 8.2
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1100
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28 to 32
12
Resilience: Unit (Modulus of Resilience), kJ/m3 1800 to 1990
520
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 44
53
Strength to Weight: Axial, points 52 to 53
38
Strength to Weight: Bending, points 50 to 51
43
Thermal Diffusivity, mm2/s 50
68
Thermal Shock Resistance, points 25
17

Alloy Composition

Aluminum (Al), % 84.6 to 89.5
90.8 to 93
Beryllium (Be), % 0
0.040 to 0.070
Chromium (Cr), % 0.050 to 0.25
0
Copper (Cu), % 1.2 to 1.9
0 to 0.2
Iron (Fe), % 0 to 0.5
0 to 0.2
Magnesium (Mg), % 2.1 to 3.1
0.4 to 0.7
Manganese (Mn), % 0 to 0.5
0 to 0.1
Silicon (Si), % 0 to 0.4
6.5 to 7.5
Titanium (Ti), % 0 to 0.25
0.040 to 0.2
Zinc (Zn), % 7.2 to 8.4
0 to 0.1
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.15