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4145 Aluminum vs. 201.0 Aluminum

Both 4145 aluminum and 201.0 aluminum are aluminum alloys. They have 90% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is 4145 aluminum and the bottom bar is 201.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
71
Elongation at Break, % 2.2
4.4 to 20
Fatigue Strength, MPa 48
120 to 150
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
27
Shear Strength, MPa 69
290
Tensile Strength: Ultimate (UTS), MPa 120
370 to 470
Tensile Strength: Yield (Proof), MPa 68
220 to 400

Thermal Properties

Latent Heat of Fusion, J/g 540
390
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 590
650
Melting Onset (Solidus), °C 520
570
Specific Heat Capacity, J/kg-K 880
870
Thermal Conductivity, W/m-K 100
120
Thermal Expansion, µm/m-K 21
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
30 to 33
Electrical Conductivity: Equal Weight (Specific), % IACS 84
87 to 97

Otherwise Unclassified Properties

Base Metal Price, % relative 10
38
Density, g/cm3 2.8
3.1
Embodied Carbon, kg CO2/kg material 7.6
8.7
Embodied Energy, MJ/kg 140
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
19 to 63
Resilience: Unit (Modulus of Resilience), kJ/m3 31
330 to 1160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
45
Strength to Weight: Axial, points 12
33 to 42
Strength to Weight: Bending, points 19
37 to 44
Thermal Diffusivity, mm2/s 42
45
Thermal Shock Resistance, points 5.5
19 to 25

Alloy Composition


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Aluminum (Al), % 83 to 87.4
92.1 to 95.1
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 3.3 to 4.7
4.0 to 5.2
Iron (Fe), % 0 to 0.8
0 to 0.15
Magnesium (Mg), % 0 to 0.15
0.15 to 0.55
Manganese (Mn), % 0 to 0.15
0.2 to 0.5
Silicon (Si), % 9.3 to 10.7
0 to 0.1
Silver (Ag), % 0
0.4 to 1.0
Titanium (Ti), % 0
0.15 to 0.35
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0 to 0.1