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390.0 Aluminum vs. 512.0 Aluminum

Both 390.0 aluminum and 512.0 aluminum are aluminum alloys. They have 80% of their average alloy composition in common.

For each property being compared, the top bar is 390.0 aluminum and the bottom bar is 512.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
50
Elastic (Young's, Tensile) Modulus, GPa 75
69
Elongation at Break, % 1.0
2.0
Fatigue Strength, MPa 76 to 110
58
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
26
Tensile Strength: Ultimate (UTS), MPa 280 to 300
130
Tensile Strength: Yield (Proof), MPa 240 to 270
83

Thermal Properties

Latent Heat of Fusion, J/g 640
420
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 560
590
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 18
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24 to 25
38
Electrical Conductivity: Equal Weight (Specific), % IACS 79 to 83
130

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 7.3
8.8
Embodied Energy, MJ/kg 130
150
Embodied Water, L/kg 950
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.7 to 2.9
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 470
50
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 52
51
Strength to Weight: Axial, points 28 to 30
14
Strength to Weight: Bending, points 35 to 36
22
Thermal Diffusivity, mm2/s 56
60
Thermal Shock Resistance, points 14 to 15
6.1

Alloy Composition


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Aluminum (Al), % 74.5 to 79.6
90.6 to 95.1
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 4.0 to 5.0
0 to 0.35
Iron (Fe), % 0 to 1.3
0 to 0.6
Magnesium (Mg), % 0.45 to 0.65
3.5 to 4.5
Manganese (Mn), % 0 to 0.1
0 to 0.8
Silicon (Si), % 16 to 18
1.4 to 2.2
Titanium (Ti), % 0 to 0.2
0 to 0.25
Zinc (Zn), % 0 to 0.1
0 to 0.35
Residuals, % 0 to 0.2
0 to 0.15