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5042 Aluminum vs. 705.0 Aluminum

Both 5042 aluminum and 705.0 aluminum are aluminum alloys. They have a very high 98% 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 5042 aluminum and the bottom bar is 705.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 1.1 to 3.4
8.4 to 10
Fatigue Strength, MPa 97 to 120
63 to 98
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 340 to 360
240 to 260
Tensile Strength: Yield (Proof), MPa 270 to 310
130

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 570
610
Specific Heat Capacity, J/kg-K 900
890
Thermal Conductivity, W/m-K 130
140
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
34
Electrical Conductivity: Equal Weight (Specific), % IACS 110
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.8
Embodied Carbon, kg CO2/kg material 8.8
8.4
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.6 to 12
18 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 720
120 to 130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
49
Strength to Weight: Axial, points 35 to 37
24 to 26
Strength to Weight: Bending, points 40 to 42
31 to 32
Thermal Diffusivity, mm2/s 53
55
Thermal Shock Resistance, points 15 to 16
11

Alloy Composition

Aluminum (Al), % 94.2 to 96.8
92.3 to 98.6
Chromium (Cr), % 0 to 0.1
0 to 0.4
Copper (Cu), % 0 to 0.15
0 to 0.2
Iron (Fe), % 0 to 0.35
0 to 0.8
Magnesium (Mg), % 3.0 to 4.0
1.4 to 1.8
Manganese (Mn), % 0.2 to 0.5
0 to 0.6
Silicon (Si), % 0 to 0.2
0 to 0.2
Titanium (Ti), % 0 to 0.1
0 to 0.25
Zinc (Zn), % 0 to 0.25
0 to 3.3
Residuals, % 0
0 to 0.15