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7049 Aluminum vs. 851.0 Aluminum

Both 7049 aluminum and 851.0 aluminum are aluminum alloys. They have 89% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is 7049 aluminum and the bottom bar is 851.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 6.2 to 7.0
3.9 to 9.1
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 510 to 530
130 to 140

Thermal Properties

Latent Heat of Fusion, J/g 370
410
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 640
630
Melting Onset (Solidus), °C 480
360
Specific Heat Capacity, J/kg-K 860
850
Thermal Conductivity, W/m-K 130
180
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
46
Electrical Conductivity: Equal Weight (Specific), % IACS 110
140

Otherwise Unclassified Properties

Base Metal Price, % relative 10
14
Density, g/cm3 3.1
3.1
Embodied Carbon, kg CO2/kg material 8.1
8.4
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1110
1140

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
45
Strength to Weight: Axial, points 46 to 47
12 to 13
Strength to Weight: Bending, points 46 to 47
19 to 20
Thermal Diffusivity, mm2/s 51
69
Thermal Shock Resistance, points 22 to 23
6.1 to 6.3

Alloy Composition


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Aluminum (Al), % 85.7 to 89.5
86.6 to 91.5
Chromium (Cr), % 0.1 to 0.22
0
Copper (Cu), % 1.2 to 1.9
0.7 to 1.3
Iron (Fe), % 0 to 0.35
0 to 0.7
Magnesium (Mg), % 2.0 to 2.9
0 to 0.1
Manganese (Mn), % 0 to 0.2
0 to 0.1
Nickel (Ni), % 0
0.3 to 0.7
Silicon (Si), % 0 to 0.25
2.0 to 3.0
Tin (Sn), % 0
5.5 to 7.0
Titanium (Ti), % 0 to 0.1
0 to 0.2
Zinc (Zn), % 7.2 to 8.2
0
Residuals, % 0 to 0.15
0 to 0.3