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238.0 Aluminum vs. 512.0 Aluminum

Both 238.0 aluminum and 512.0 aluminum are aluminum alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 86% of their average alloy composition in common. There are 29 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 238.0 aluminum and the bottom bar is 512.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
69
Elongation at Break, % 1.5
2.0
Fatigue Strength, MPa 110
58
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
26
Tensile Strength: Ultimate (UTS), MPa 210
130
Tensile Strength: Yield (Proof), MPa 170
83

Thermal Properties

Latent Heat of Fusion, J/g 430
420
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 600
630
Melting Onset (Solidus), °C 510
590
Specific Heat Capacity, J/kg-K 840
900
Thermal Conductivity, W/m-K 100
150
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
38
Electrical Conductivity: Equal Weight (Specific), % IACS 67
130

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 3.4
2.7
Embodied Carbon, kg CO2/kg material 7.4
8.8
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1040
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 180
50
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 42
51
Strength to Weight: Axial, points 17
14
Strength to Weight: Bending, points 23
22
Thermal Diffusivity, mm2/s 37
60
Thermal Shock Resistance, points 9.1
6.1

Alloy Composition


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Aluminum (Al), % 81.9 to 84.9
90.6 to 95.1
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 9.5 to 10.5
0 to 0.35
Iron (Fe), % 1.0 to 1.5
0 to 0.6
Magnesium (Mg), % 0 to 0.25
3.5 to 4.5
Manganese (Mn), % 0
0 to 0.8
Silicon (Si), % 3.6 to 4.4
1.4 to 2.2
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 1.0 to 1.5
0 to 0.35
Residuals, % 0
0 to 0.15