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5056 Aluminum vs. 5070 Aluminum

Both 5056 aluminum and 5070 aluminum are aluminum alloys. They have a very high 99% 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 5056 aluminum and the bottom bar is 5070 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
68
Elongation at Break, % 4.9 to 31
20
Fatigue Strength, MPa 140 to 200
150
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
26
Shear Strength, MPa 170 to 240
190
Tensile Strength: Ultimate (UTS), MPa 290 to 460
300
Tensile Strength: Yield (Proof), MPa 150 to 410
140

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 190
190
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 570
550
Specific Heat Capacity, J/kg-K 910
900
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
31
Electrical Conductivity: Equal Weight (Specific), % IACS 99
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 9.0
8.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 140
51
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 1220
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
50
Strength to Weight: Axial, points 30 to 48
31
Strength to Weight: Bending, points 36 to 50
37
Thermal Diffusivity, mm2/s 53
53
Thermal Shock Resistance, points 13 to 20
14

Alloy Composition

Aluminum (Al), % 93 to 95.4
92.4 to 95.7
Chromium (Cr), % 0.050 to 0.2
0 to 0.3
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 0 to 0.4
0 to 0.4
Magnesium (Mg), % 4.5 to 5.6
3.5 to 4.5
Manganese (Mn), % 0.050 to 0.2
0.4 to 0.8
Silicon (Si), % 0 to 0.3
0 to 0.25
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0 to 0.1
0.4 to 0.8
Residuals, % 0
0 to 0.15