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EN AC-42100 Aluminum vs. 4004 Aluminum

Both EN AC-42100 aluminum and 4004 aluminum are aluminum alloys. They have a very high 96% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN AC-42100 aluminum and the bottom bar is 4004 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
71
Elongation at Break, % 3.4 to 9.0
2.4
Fatigue Strength, MPa 76 to 82
42
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 280 to 290
110
Tensile Strength: Yield (Proof), MPa 210 to 230
60

Thermal Properties

Latent Heat of Fusion, J/g 500
540
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 610
600
Melting Onset (Solidus), °C 600
560
Specific Heat Capacity, J/kg-K 910
910
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 22
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
33
Electrical Conductivity: Equal Weight (Specific), % IACS 140
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.6
2.6
Embodied Carbon, kg CO2/kg material 8.0
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1110
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 23
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
25
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 53
54
Strength to Weight: Axial, points 30 to 31
12
Strength to Weight: Bending, points 37 to 38
20
Thermal Diffusivity, mm2/s 66
58
Thermal Shock Resistance, points 13
5.1

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
86 to 90
Copper (Cu), % 0 to 0.050
0 to 0.25
Iron (Fe), % 0 to 0.19
0 to 0.8
Magnesium (Mg), % 0.25 to 0.45
1.0 to 2.0
Manganese (Mn), % 0 to 0.1
0 to 0.1
Silicon (Si), % 6.5 to 7.5
9.0 to 10.5
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0 to 0.2
Residuals, % 0
0 to 0.15