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2036 Aluminum vs. 7049A Aluminum

Both 2036 aluminum and 7049A 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 2036 aluminum and the bottom bar is 7049A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
71
Elongation at Break, % 24
5.0 to 5.7
Fatigue Strength, MPa 130
180
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
27
Shear Strength, MPa 210
340 to 350
Tensile Strength: Ultimate (UTS), MPa 340
580 to 590
Tensile Strength: Yield (Proof), MPa 200
500 to 530

Thermal Properties

Latent Heat of Fusion, J/g 390
370
Maximum Temperature: Mechanical, °C 190
200
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 560
430
Specific Heat Capacity, J/kg-K 890
850
Thermal Conductivity, W/m-K 160
130
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
40
Electrical Conductivity: Equal Weight (Specific), % IACS 130
120

Otherwise Unclassified Properties

Base Metal Price, % relative 10
10
Density, g/cm3 2.9
3.1
Embodied Carbon, kg CO2/kg material 8.1
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1160
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
28 to 32
Resilience: Unit (Modulus of Resilience), kJ/m3 270
1800 to 1990
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 48
44
Strength to Weight: Axial, points 33
52 to 53
Strength to Weight: Bending, points 38
50 to 51
Thermal Diffusivity, mm2/s 62
50
Thermal Shock Resistance, points 15
25

Alloy Composition

Aluminum (Al), % 94.4 to 97.4
84.6 to 89.5
Chromium (Cr), % 0 to 0.1
0.050 to 0.25
Copper (Cu), % 2.2 to 3.0
1.2 to 1.9
Iron (Fe), % 0 to 0.5
0 to 0.5
Magnesium (Mg), % 0.3 to 0.6
2.1 to 3.1
Manganese (Mn), % 0.1 to 0.4
0 to 0.5
Silicon (Si), % 0 to 0.5
0 to 0.4
Titanium (Ti), % 0 to 0.15
0 to 0.25
Zinc (Zn), % 0 to 0.25
7.2 to 8.4
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0 to 0.15
0 to 0.15