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4145 Aluminum vs. EN AC-42200 Aluminum

Both 4145 aluminum and EN AC-42200 aluminum are aluminum alloys. They have a moderately high 93% 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 4145 aluminum and the bottom bar is EN AC-42200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
70
Elongation at Break, % 2.2
3.0 to 6.7
Fatigue Strength, MPa 48
86 to 90
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
26
Tensile Strength: Ultimate (UTS), MPa 120
320
Tensile Strength: Yield (Proof), MPa 68
240 to 260

Thermal Properties

Latent Heat of Fusion, J/g 540
500
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 590
610
Melting Onset (Solidus), °C 520
600
Specific Heat Capacity, J/kg-K 880
910
Thermal Conductivity, W/m-K 100
150
Thermal Expansion, µm/m-K 21
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
40
Electrical Conductivity: Equal Weight (Specific), % IACS 84
140

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 2.8
2.6
Embodied Carbon, kg CO2/kg material 7.6
8.0
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1040
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
9.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 31
410 to 490
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
53
Strength to Weight: Axial, points 12
34 to 35
Strength to Weight: Bending, points 19
40 to 41
Thermal Diffusivity, mm2/s 42
66
Thermal Shock Resistance, points 5.5
15

Alloy Composition


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Aluminum (Al), % 83 to 87.4
91 to 93.1
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 3.3 to 4.7
0 to 0.050
Iron (Fe), % 0 to 0.8
0 to 0.19
Magnesium (Mg), % 0 to 0.15
0.45 to 0.7
Manganese (Mn), % 0 to 0.15
0 to 0.1
Silicon (Si), % 9.3 to 10.7
6.5 to 7.5
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.2
0 to 0.070
Residuals, % 0 to 0.15
0 to 0.1