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7076 Aluminum vs. 6182 Aluminum

Both 7076 aluminum and 6182 aluminum are aluminum alloys. They have a moderately high 91% 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 7076 aluminum and the bottom bar is 6182 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 6.2
6.8 to 13
Fatigue Strength, MPa 170
63 to 99
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 310
140 to 190
Tensile Strength: Ultimate (UTS), MPa 530
230 to 320
Tensile Strength: Yield (Proof), MPa 460
130 to 270

Thermal Properties

Latent Heat of Fusion, J/g 380
410
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 460
600
Specific Heat Capacity, J/kg-K 860
900
Thermal Conductivity, W/m-K 140
160
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
40
Electrical Conductivity: Equal Weight (Specific), % IACS 100
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 3.0
2.7
Embodied Carbon, kg CO2/kg material 8.0
8.4
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1110
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
21 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 1510
110 to 520
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
50
Strength to Weight: Axial, points 49
23 to 32
Strength to Weight: Bending, points 48
30 to 38
Thermal Diffusivity, mm2/s 54
65
Thermal Shock Resistance, points 23
10 to 14

Alloy Composition

Aluminum (Al), % 86.9 to 91.2
95 to 97.9
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 0.3 to 1.0
0 to 0.1
Iron (Fe), % 0 to 0.6
0 to 0.5
Magnesium (Mg), % 1.2 to 2.0
0.7 to 1.2
Manganese (Mn), % 0.3 to 0.8
0.5 to 1.0
Silicon (Si), % 0 to 0.4
0.9 to 1.3
Titanium (Ti), % 0 to 0.2
0 to 0.1
Zinc (Zn), % 7.0 to 8.0
0 to 0.2
Zirconium (Zr), % 0
0.050 to 0.2
Residuals, % 0
0 to 0.15