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4145 Aluminum vs. 2014 Aluminum

Both 4145 aluminum and 2014 aluminum are aluminum alloys. They have a moderately high 91% 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 4145 aluminum and the bottom bar is 2014 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
72
Elongation at Break, % 2.2
1.5 to 16
Fatigue Strength, MPa 48
90 to 160
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
27
Shear Strength, MPa 69
130 to 290
Tensile Strength: Ultimate (UTS), MPa 120
190 to 500
Tensile Strength: Yield (Proof), MPa 68
100 to 440

Thermal Properties

Latent Heat of Fusion, J/g 540
400
Maximum Temperature: Mechanical, °C 160
210
Melting Completion (Liquidus), °C 590
630
Melting Onset (Solidus), °C 520
510
Specific Heat Capacity, J/kg-K 880
870
Thermal Conductivity, W/m-K 100
150
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
40
Electrical Conductivity: Equal Weight (Specific), % IACS 84
120

Otherwise Unclassified Properties

Base Metal Price, % relative 10
11
Density, g/cm3 2.8
3.0
Embodied Carbon, kg CO2/kg material 7.6
8.1
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1040
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
6.6 to 56
Resilience: Unit (Modulus of Resilience), kJ/m3 31
76 to 1330
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 12
18 to 46
Strength to Weight: Bending, points 19
25 to 46
Thermal Diffusivity, mm2/s 42
58
Thermal Shock Resistance, points 5.5
8.4 to 22

Alloy Composition


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Aluminum (Al), % 83 to 87.4
90.4 to 95
Chromium (Cr), % 0 to 0.15
0 to 0.1
Copper (Cu), % 3.3 to 4.7
3.9 to 5.0
Iron (Fe), % 0 to 0.8
0 to 0.7
Magnesium (Mg), % 0 to 0.15
0.2 to 0.8
Manganese (Mn), % 0 to 0.15
0.4 to 1.2
Silicon (Si), % 9.3 to 10.7
0.5 to 1.2
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0 to 0.2
0 to 0.25
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0 to 0.15
0 to 0.15