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705.0 Aluminum vs. 324.0 Aluminum

Both 705.0 aluminum and 324.0 aluminum are aluminum alloys. They have a moderately high 92% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 705.0 aluminum and the bottom bar is 324.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
71
Elongation at Break, % 8.4 to 10
3.0 to 4.0
Fatigue Strength, MPa 63 to 98
77 to 89
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 240 to 260
210 to 310
Tensile Strength: Yield (Proof), MPa 130
110 to 270

Thermal Properties

Latent Heat of Fusion, J/g 390
500
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
610
Melting Onset (Solidus), °C 610
550
Specific Heat Capacity, J/kg-K 890
900
Thermal Conductivity, W/m-K 140
150
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
34
Electrical Conductivity: Equal Weight (Specific), % IACS 110
120

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
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
1090

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 20
6.8 to 8.9
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 130
85 to 510
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 49
52
Strength to Weight: Axial, points 24 to 26
22 to 32
Strength to Weight: Bending, points 31 to 32
29 to 38
Thermal Diffusivity, mm2/s 55
62
Thermal Shock Resistance, points 11
9.7 to 14

Alloy Composition

Aluminum (Al), % 92.3 to 98.6
87.3 to 92.2
Chromium (Cr), % 0 to 0.4
0
Copper (Cu), % 0 to 0.2
0.4 to 0.6
Iron (Fe), % 0 to 0.8
0 to 1.2
Magnesium (Mg), % 1.4 to 1.8
0.4 to 0.7
Manganese (Mn), % 0 to 0.6
0 to 0.5
Nickel (Ni), % 0
0 to 0.3
Silicon (Si), % 0 to 0.2
7.0 to 8.0
Titanium (Ti), % 0 to 0.25
0 to 0.2
Zinc (Zn), % 0 to 3.3
0 to 1.0
Residuals, % 0
0 to 0.2

Comparable Variants