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4145 Aluminum vs. EN AC-46600 Aluminum

Both 4145 aluminum and EN AC-46600 aluminum are aluminum alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 95% 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-46600 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
72
Elongation at Break, % 2.2
1.1
Fatigue Strength, MPa 48
75
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
27
Tensile Strength: Ultimate (UTS), MPa 120
180
Tensile Strength: Yield (Proof), MPa 68
110

Thermal Properties

Latent Heat of Fusion, J/g 540
490
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 590
620
Melting Onset (Solidus), °C 520
560
Specific Heat Capacity, J/kg-K 880
890
Thermal Conductivity, W/m-K 100
130
Thermal Expansion, µm/m-K 21
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
29
Electrical Conductivity: Equal Weight (Specific), % IACS 84
94

Otherwise Unclassified Properties

Base Metal Price, % relative 10
10
Density, g/cm3 2.8
2.8
Embodied Carbon, kg CO2/kg material 7.6
7.8
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1040
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
1.7
Resilience: Unit (Modulus of Resilience), kJ/m3 31
81
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 12
18
Strength to Weight: Bending, points 19
25
Thermal Diffusivity, mm2/s 42
51
Thermal Shock Resistance, points 5.5
8.1

Alloy Composition

Aluminum (Al), % 83 to 87.4
85.6 to 92.4
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 3.3 to 4.7
1.5 to 2.5
Iron (Fe), % 0 to 0.8
0 to 0.8
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 0 to 0.15
0 to 0.35
Manganese (Mn), % 0 to 0.15
0.15 to 0.65
Nickel (Ni), % 0
0 to 0.35
Silicon (Si), % 9.3 to 10.7
6.0 to 8.0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.2
0 to 1.0
Residuals, % 0 to 0.15
0 to 0.15