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5254 Aluminum vs. 7076 Aluminum

Both 5254 aluminum and 7076 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 5254 aluminum and the bottom bar is 7076 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 3.4 to 22
6.2
Fatigue Strength, MPa 110 to 160
170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
27
Shear Strength, MPa 150 to 200
310
Tensile Strength: Ultimate (UTS), MPa 240 to 350
530
Tensile Strength: Yield (Proof), MPa 100 to 270
460

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 190
170
Melting Completion (Liquidus), °C 640
630
Melting Onset (Solidus), °C 590
460
Specific Heat Capacity, J/kg-K 900
860
Thermal Conductivity, W/m-K 130
140
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
35
Electrical Conductivity: Equal Weight (Specific), % IACS 110
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.8
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 41
31
Resilience: Unit (Modulus of Resilience), kJ/m3 73 to 550
1510
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
45
Strength to Weight: Axial, points 25 to 37
49
Strength to Weight: Bending, points 32 to 41
48
Thermal Diffusivity, mm2/s 52
54
Thermal Shock Resistance, points 10 to 16
23

Alloy Composition

Aluminum (Al), % 94.4 to 96.8
86.9 to 91.2
Chromium (Cr), % 0.15 to 0.35
0
Copper (Cu), % 0 to 0.050
0.3 to 1.0
Iron (Fe), % 0 to 0.45
0 to 0.6
Magnesium (Mg), % 3.1 to 3.9
1.2 to 2.0
Manganese (Mn), % 0 to 0.010
0.3 to 0.8
Silicon (Si), % 0 to 0.45
0 to 0.4
Titanium (Ti), % 0 to 0.050
0 to 0.2
Zinc (Zn), % 0 to 0.2
7.0 to 8.0
Residuals, % 0
0 to 0.15