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4145 Aluminum vs. 7010 Aluminum

Both 4145 aluminum and 7010 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 (1, in this case) are not shown.

For each property being compared, the top bar is 4145 aluminum and the bottom bar is 7010 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
70
Elongation at Break, % 2.2
3.9 to 6.8
Fatigue Strength, MPa 48
160 to 190
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 28
26
Shear Strength, MPa 69
300 to 340
Tensile Strength: Ultimate (UTS), MPa 120
520 to 590
Tensile Strength: Yield (Proof), MPa 68
410 to 540

Thermal Properties

Latent Heat of Fusion, J/g 540
380
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 590
630
Melting Onset (Solidus), °C 520
480
Specific Heat Capacity, J/kg-K 880
860
Thermal Conductivity, W/m-K 100
150
Thermal Expansion, µm/m-K 21
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
40
Electrical Conductivity: Equal Weight (Specific), % IACS 84
120

Otherwise Unclassified Properties

Base Metal Price, % relative 10
10
Density, g/cm3 2.8
3.0
Embodied Carbon, kg CO2/kg material 7.6
8.3
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1040
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
22 to 33
Resilience: Unit (Modulus of Resilience), kJ/m3 31
1230 to 2130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
45
Strength to Weight: Axial, points 12
47 to 54
Strength to Weight: Bending, points 19
47 to 52
Thermal Diffusivity, mm2/s 42
58
Thermal Shock Resistance, points 5.5
22 to 26

Alloy Composition

Aluminum (Al), % 83 to 87.4
87.9 to 90.6
Chromium (Cr), % 0 to 0.15
0 to 0.050
Copper (Cu), % 3.3 to 4.7
1.5 to 2.0
Iron (Fe), % 0 to 0.8
0 to 0.15
Magnesium (Mg), % 0 to 0.15
2.1 to 2.6
Manganese (Mn), % 0 to 0.15
0 to 0.1
Nickel (Ni), % 0
0 to 0.050
Silicon (Si), % 9.3 to 10.7
0 to 0.12
Titanium (Ti), % 0
0 to 0.060
Zinc (Zn), % 0 to 0.2
5.7 to 6.7
Zirconium (Zr), % 0
0.1 to 0.16
Residuals, % 0
0 to 0.15