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6012 Aluminum vs. 7050 Aluminum

Both 6012 aluminum and 7050 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is 6012 aluminum and the bottom bar is 7050 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
70
Elongation at Break, % 9.1 to 11
2.2 to 12
Fatigue Strength, MPa 55 to 100
130 to 210
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
26
Shear Strength, MPa 130 to 190
280 to 330
Tensile Strength: Ultimate (UTS), MPa 220 to 320
490 to 570
Tensile Strength: Yield (Proof), MPa 110 to 260
390 to 500

Thermal Properties

Latent Heat of Fusion, J/g 400
370
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 640
630
Melting Onset (Solidus), °C 570
490
Specific Heat Capacity, J/kg-K 890
860
Thermal Conductivity, W/m-K 160
140
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
35
Electrical Conductivity: Equal Weight (Specific), % IACS 140
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.9
3.1
Embodied Carbon, kg CO2/kg material 8.2
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 28
10 to 55
Resilience: Unit (Modulus of Resilience), kJ/m3 94 to 480
1110 to 1760
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 48
45
Strength to Weight: Axial, points 22 to 32
45 to 51
Strength to Weight: Bending, points 29 to 37
45 to 50
Thermal Diffusivity, mm2/s 62
54
Thermal Shock Resistance, points 10 to 14
21 to 25

Alloy Composition

Aluminum (Al), % 92.2 to 98
87.3 to 92.1
Bismuth (Bi), % 0 to 0.7
0
Chromium (Cr), % 0 to 0.3
0 to 0.040
Copper (Cu), % 0 to 0.1
2.0 to 2.6
Iron (Fe), % 0 to 0.5
0 to 0.15
Lead (Pb), % 0.4 to 2.0
0
Magnesium (Mg), % 0.6 to 1.2
1.9 to 2.6
Manganese (Mn), % 0.4 to 1.0
0 to 0.1
Silicon (Si), % 0.6 to 1.4
0 to 0.12
Titanium (Ti), % 0 to 0.2
0 to 0.060
Zinc (Zn), % 0 to 0.3
5.7 to 6.7
Zirconium (Zr), % 0
0.080 to 0.15
Residuals, % 0
0 to 0.15