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705.0 Aluminum vs. 5070 Aluminum

Both 705.0 aluminum and 5070 aluminum are aluminum alloys. They have a very high 97% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 705.0 aluminum and the bottom bar is 5070 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
68
Elongation at Break, % 8.4 to 10
20
Fatigue Strength, MPa 63 to 98
150
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 240 to 260
300
Tensile Strength: Yield (Proof), MPa 130
140

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 610
550
Specific Heat Capacity, J/kg-K 890
900
Thermal Conductivity, W/m-K 140
130
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
31
Electrical Conductivity: Equal Weight (Specific), % IACS 110
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 8.4
8.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 20
51
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 130
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
50
Strength to Weight: Axial, points 24 to 26
31
Strength to Weight: Bending, points 31 to 32
37
Thermal Diffusivity, mm2/s 55
53
Thermal Shock Resistance, points 11
14

Alloy Composition

Aluminum (Al), % 92.3 to 98.6
92.4 to 95.7
Chromium (Cr), % 0 to 0.4
0 to 0.3
Copper (Cu), % 0 to 0.2
0 to 0.25
Iron (Fe), % 0 to 0.8
0 to 0.4
Magnesium (Mg), % 1.4 to 1.8
3.5 to 4.5
Manganese (Mn), % 0 to 0.6
0.4 to 0.8
Silicon (Si), % 0 to 0.2
0 to 0.25
Titanium (Ti), % 0 to 0.25
0 to 0.15
Zinc (Zn), % 0 to 3.3
0.4 to 0.8
Residuals, % 0
0 to 0.15