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390.0 Aluminum vs. A444.0 Aluminum

Both 390.0 aluminum and A444.0 aluminum are aluminum alloys. They have 85% 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 390.0 aluminum and the bottom bar is A444.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
70
Elongation at Break, % 1.0
18
Fatigue Strength, MPa 76 to 110
37
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
26
Tensile Strength: Ultimate (UTS), MPa 280 to 300
160
Tensile Strength: Yield (Proof), MPa 240 to 270
66

Thermal Properties

Latent Heat of Fusion, J/g 640
500
Maximum Temperature: Mechanical, °C 170
170
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
160
Thermal Expansion, µm/m-K 18
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24 to 25
41
Electrical Conductivity: Equal Weight (Specific), % IACS 79 to 83
140

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 2.7
2.6
Embodied Carbon, kg CO2/kg material 7.3
7.9
Embodied Energy, MJ/kg 130
150
Embodied Water, L/kg 950
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.7 to 2.9
24
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 470
31
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 52
53
Strength to Weight: Axial, points 28 to 30
17
Strength to Weight: Bending, points 35 to 36
25
Thermal Diffusivity, mm2/s 56
68
Thermal Shock Resistance, points 14 to 15
7.3

Alloy Composition


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Aluminum (Al), % 74.5 to 79.6
91.6 to 93.5
Copper (Cu), % 4.0 to 5.0
0 to 0.1
Iron (Fe), % 0 to 1.3
0 to 0.2
Magnesium (Mg), % 0.45 to 0.65
0 to 0.050
Manganese (Mn), % 0 to 0.1
0 to 0.1
Silicon (Si), % 16 to 18
6.5 to 7.5
Titanium (Ti), % 0 to 0.2
0 to 0.2
Zinc (Zn), % 0 to 0.1
0 to 0.1
Residuals, % 0 to 0.2
0 to 0.15