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2014 Aluminum vs. 7049 Aluminum

Both 2014 aluminum and 7049 aluminum are aluminum alloys. They have a moderately high 90% 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 2014 aluminum and the bottom bar is 7049 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
70
Elongation at Break, % 1.5 to 16
6.2 to 7.0
Fatigue Strength, MPa 90 to 160
160 to 170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
27
Shear Strength, MPa 130 to 290
300 to 310
Tensile Strength: Ultimate (UTS), MPa 190 to 500
510 to 530
Tensile Strength: Yield (Proof), MPa 100 to 440
420 to 450

Thermal Properties

Latent Heat of Fusion, J/g 400
370
Maximum Temperature: Mechanical, °C 210
180
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 510
480
Specific Heat Capacity, J/kg-K 870
860
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
36
Electrical Conductivity: Equal Weight (Specific), % IACS 120
110

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 3.0
3.1
Embodied Carbon, kg CO2/kg material 8.1
8.1
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1130
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.6 to 56
31 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 76 to 1330
1270 to 1440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
45
Strength to Weight: Axial, points 18 to 46
46 to 47
Strength to Weight: Bending, points 25 to 46
46 to 47
Thermal Diffusivity, mm2/s 58
51
Thermal Shock Resistance, points 8.4 to 22
22 to 23

Alloy Composition

Aluminum (Al), % 90.4 to 95
85.7 to 89.5
Chromium (Cr), % 0 to 0.1
0.1 to 0.22
Copper (Cu), % 3.9 to 5.0
1.2 to 1.9
Iron (Fe), % 0 to 0.7
0 to 0.35
Magnesium (Mg), % 0.2 to 0.8
2.0 to 2.9
Manganese (Mn), % 0.4 to 1.2
0 to 0.2
Silicon (Si), % 0.5 to 1.2
0 to 0.25
Titanium (Ti), % 0 to 0.15
0 to 0.1
Zinc (Zn), % 0 to 0.25
7.2 to 8.2
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0
0 to 0.15