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705.0 Aluminum vs. 5449 Aluminum

Both 705.0 aluminum and 5449 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 705.0 aluminum and the bottom bar is 5449 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
69
Elongation at Break, % 8.4 to 10
4.0 to 17
Fatigue Strength, MPa 63 to 98
78 to 120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 240 to 260
210 to 330
Tensile Strength: Yield (Proof), MPa 130
91 to 260

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 610
590
Specific Heat Capacity, J/kg-K 890
900
Thermal Conductivity, W/m-K 140
140
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
35
Electrical Conductivity: Equal Weight (Specific), % IACS 110
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.8
2.8
Embodied Carbon, kg CO2/kg material 8.4
8.5
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 20
12 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 130
60 to 480
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
50
Strength to Weight: Axial, points 24 to 26
22 to 33
Strength to Weight: Bending, points 31 to 32
29 to 39
Thermal Diffusivity, mm2/s 55
56
Thermal Shock Resistance, points 11
9.4 to 15

Alloy Composition

Aluminum (Al), % 92.3 to 98.6
94.1 to 97.8
Chromium (Cr), % 0 to 0.4
0 to 0.3
Copper (Cu), % 0 to 0.2
0 to 0.3
Iron (Fe), % 0 to 0.8
0 to 0.7
Magnesium (Mg), % 1.4 to 1.8
1.6 to 2.6
Manganese (Mn), % 0 to 0.6
0.6 to 1.1
Silicon (Si), % 0 to 0.2
0 to 0.4
Titanium (Ti), % 0 to 0.25
0 to 0.1
Zinc (Zn), % 0 to 3.3
0 to 0.3
Residuals, % 0
0 to 0.15