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4145 Aluminum vs. 511.0 Aluminum

Both 4145 aluminum and 511.0 aluminum are aluminum alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 86% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 4145 aluminum and the bottom bar is 511.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
68
Elongation at Break, % 2.2
3.0
Fatigue Strength, MPa 48
55
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
25
Shear Strength, MPa 69
120
Tensile Strength: Ultimate (UTS), MPa 120
150
Tensile Strength: Yield (Proof), MPa 68
83

Thermal Properties

Latent Heat of Fusion, J/g 540
400
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 590
640
Melting Onset (Solidus), °C 520
590
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 100
140
Thermal Expansion, µm/m-K 21
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
36
Electrical Conductivity: Equal Weight (Specific), % IACS 84
120

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 7.6
8.8
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1040
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
3.7
Resilience: Unit (Modulus of Resilience), kJ/m3 31
51
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
51
Strength to Weight: Axial, points 12
15
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 42
59
Thermal Shock Resistance, points 5.5
6.5

Alloy Composition


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Aluminum (Al), % 83 to 87.4
93.3 to 96.2
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 3.3 to 4.7
0 to 0.15
Iron (Fe), % 0 to 0.8
0 to 0.5
Magnesium (Mg), % 0 to 0.15
3.5 to 4.5
Manganese (Mn), % 0 to 0.15
0 to 0.35
Silicon (Si), % 9.3 to 10.7
0.3 to 0.7
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.2
0 to 0.15
Residuals, % 0 to 0.15
0 to 0.15