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EN AC-42100 Aluminum vs. 4115 Aluminum

Both EN AC-42100 aluminum and 4115 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common. There are 30 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 EN AC-42100 aluminum and the bottom bar is 4115 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
38 to 68
Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 3.4 to 9.0
1.1 to 11
Fatigue Strength, MPa 76 to 82
39 to 76
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 280 to 290
120 to 220
Tensile Strength: Yield (Proof), MPa 210 to 230
39 to 190

Thermal Properties

Latent Heat of Fusion, J/g 500
420
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 610
640
Melting Onset (Solidus), °C 600
590
Specific Heat Capacity, J/kg-K 910
900
Thermal Conductivity, W/m-K 150
160
Thermal Expansion, µm/m-K 22
23

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.6
2.7
Embodied Carbon, kg CO2/kg material 8.0
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1110
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 23
2.1 to 10
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
11 to 270
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
50
Strength to Weight: Axial, points 30 to 31
12 to 23
Strength to Weight: Bending, points 37 to 38
20 to 30
Thermal Diffusivity, mm2/s 66
66
Thermal Shock Resistance, points 13
5.2 to 9.9

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
94.6 to 97.4
Copper (Cu), % 0 to 0.050
0.1 to 0.5
Iron (Fe), % 0 to 0.19
0 to 0.7
Magnesium (Mg), % 0.25 to 0.45
0.1 to 0.5
Manganese (Mn), % 0 to 0.1
0.6 to 1.2
Silicon (Si), % 6.5 to 7.5
1.8 to 2.2
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0 to 0.2
Residuals, % 0
0 to 0.15