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7049 Aluminum vs. 2017 Aluminum

Both 7049 aluminum and 2017 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 7049 aluminum and the bottom bar is 2017 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
71
Elongation at Break, % 6.2 to 7.0
12 to 18
Fatigue Strength, MPa 160 to 170
90 to 130
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 27
27
Shear Strength, MPa 300 to 310
130 to 260
Tensile Strength: Ultimate (UTS), MPa 510 to 530
190 to 430
Tensile Strength: Yield (Proof), MPa 420 to 450
76 to 260

Thermal Properties

Latent Heat of Fusion, J/g 370
390
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 480
510
Specific Heat Capacity, J/kg-K 860
880
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
38
Electrical Conductivity: Equal Weight (Specific), % IACS 110
110

Otherwise Unclassified Properties

Base Metal Price, % relative 10
10
Density, g/cm3 3.1
3.0
Embodied Carbon, kg CO2/kg material 8.1
8.0
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1110
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 34
24 to 66
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 1440
41 to 470
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
46
Strength to Weight: Axial, points 46 to 47
17 to 40
Strength to Weight: Bending, points 46 to 47
24 to 42
Thermal Diffusivity, mm2/s 51
56
Thermal Shock Resistance, points 22 to 23
7.9 to 18

Alloy Composition

Aluminum (Al), % 85.7 to 89.5
91.6 to 95.5
Chromium (Cr), % 0.1 to 0.22
0 to 0.1
Copper (Cu), % 1.2 to 1.9
3.5 to 4.5
Iron (Fe), % 0 to 0.35
0 to 0.7
Magnesium (Mg), % 2.0 to 2.9
0.4 to 0.8
Manganese (Mn), % 0 to 0.2
0.4 to 1.0
Silicon (Si), % 0 to 0.25
0.2 to 0.8
Titanium (Ti), % 0 to 0.1
0 to 0.15
Zinc (Zn), % 7.2 to 8.2
0 to 0.25
Residuals, % 0
0 to 0.15