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7049A Aluminum vs. 2014A Aluminum

Both 7049A aluminum and 2014A aluminum are aluminum alloys. They have a moderately high 90% of their average alloy composition in common.

For each property being compared, the top bar is 7049A aluminum and the bottom bar is 2014A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
72
Elongation at Break, % 5.0 to 5.7
6.2 to 16
Fatigue Strength, MPa 180
93 to 150
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 27
27
Shear Strength, MPa 340 to 350
130 to 290
Tensile Strength: Ultimate (UTS), MPa 580 to 590
210 to 490
Tensile Strength: Yield (Proof), MPa 500 to 530
110 to 430

Thermal Properties

Latent Heat of Fusion, J/g 370
400
Maximum Temperature: Mechanical, °C 200
210
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 430
510
Specific Heat Capacity, J/kg-K 850
870
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
37
Electrical Conductivity: Equal Weight (Specific), % IACS 120
110

Otherwise Unclassified Properties

Base Metal Price, % relative 10
11
Density, g/cm3 3.1
3.0
Embodied Carbon, kg CO2/kg material 8.2
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1100
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28 to 32
24 to 49
Resilience: Unit (Modulus of Resilience), kJ/m3 1800 to 1990
85 to 1300
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
46
Strength to Weight: Axial, points 52 to 53
19 to 45
Strength to Weight: Bending, points 50 to 51
26 to 46
Thermal Diffusivity, mm2/s 50
55
Thermal Shock Resistance, points 25
9.0 to 22

Alloy Composition


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Aluminum (Al), % 84.6 to 89.5
90.8 to 95
Chromium (Cr), % 0.050 to 0.25
0 to 0.1
Copper (Cu), % 1.2 to 1.9
3.9 to 5.0
Iron (Fe), % 0 to 0.5
0 to 0.5
Magnesium (Mg), % 2.1 to 3.1
0.2 to 0.8
Manganese (Mn), % 0 to 0.5
0.4 to 1.2
Nickel (Ni), % 0
0 to 0.1
Silicon (Si), % 0 to 0.4
0.5 to 0.9
Titanium (Ti), % 0 to 0.25
0 to 0.15
Zinc (Zn), % 7.2 to 8.4
0 to 0.25
Zirconium (Zr), % 0 to 0.25
0 to 0.2
Residuals, % 0 to 0.15
0 to 0.15

Comparable Variants