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4004 Aluminum vs. 851.0 Aluminum

Both 4004 aluminum and 851.0 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is 4004 aluminum and the bottom bar is 851.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
69
Elongation at Break, % 2.4
3.9 to 9.1
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 110
130 to 140

Thermal Properties

Latent Heat of Fusion, J/g 540
410
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 600
630
Melting Onset (Solidus), °C 560
360
Specific Heat Capacity, J/kg-K 910
850
Thermal Conductivity, W/m-K 130
180
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
46
Electrical Conductivity: Equal Weight (Specific), % IACS 120
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
14
Density, g/cm3 2.6
3.1
Embodied Carbon, kg CO2/kg material 8.0
8.4
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1070
1140

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 54
45
Strength to Weight: Axial, points 12
12 to 13
Strength to Weight: Bending, points 20
19 to 20
Thermal Diffusivity, mm2/s 58
69
Thermal Shock Resistance, points 5.1
6.1 to 6.3

Alloy Composition

Aluminum (Al), % 86 to 90
86.6 to 91.5
Copper (Cu), % 0 to 0.25
0.7 to 1.3
Iron (Fe), % 0 to 0.8
0 to 0.7
Magnesium (Mg), % 1.0 to 2.0
0 to 0.1
Manganese (Mn), % 0 to 0.1
0 to 0.1
Nickel (Ni), % 0
0.3 to 0.7
Silicon (Si), % 9.0 to 10.5
2.0 to 3.0
Tin (Sn), % 0
5.5 to 7.0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0 to 0.3