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4145 Aluminum vs. 4007 Aluminum

Both 4145 aluminum and 4007 aluminum are aluminum alloys. They have 87% 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 4007 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
71
Elongation at Break, % 2.2
5.1 to 23
Fatigue Strength, MPa 48
46 to 88
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
27
Shear Strength, MPa 69
80 to 90
Tensile Strength: Ultimate (UTS), MPa 120
130 to 160
Tensile Strength: Yield (Proof), MPa 68
50 to 120

Thermal Properties

Latent Heat of Fusion, J/g 540
410
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 590
650
Melting Onset (Solidus), °C 520
590
Specific Heat Capacity, J/kg-K 880
890
Thermal Conductivity, W/m-K 100
170
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
42
Electrical Conductivity: Equal Weight (Specific), % IACS 84
140

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 2.8
2.8
Embodied Carbon, kg CO2/kg material 7.6
8.1
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1040
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
7.4 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 31
18 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
49
Strength to Weight: Axial, points 12
12 to 15
Strength to Weight: Bending, points 19
20 to 23
Thermal Diffusivity, mm2/s 42
67
Thermal Shock Resistance, points 5.5
5.5 to 6.7

Alloy Composition

Aluminum (Al), % 83 to 87.4
94.1 to 97.6
Chromium (Cr), % 0 to 0.15
0.050 to 0.25
Cobalt (Co), % 0
0 to 0.050
Copper (Cu), % 3.3 to 4.7
0 to 0.2
Iron (Fe), % 0 to 0.8
0.4 to 1.0
Magnesium (Mg), % 0 to 0.15
0 to 0.2
Manganese (Mn), % 0 to 0.15
0.8 to 1.5
Nickel (Ni), % 0
0.15 to 0.7
Silicon (Si), % 9.3 to 10.7
1.0 to 1.7
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.2
0 to 0.1
Residuals, % 0 to 0.15
0 to 0.15