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238.0 Aluminum vs. 7005 Aluminum

Both 238.0 aluminum and 7005 aluminum are aluminum alloys. They have 85% of their average alloy composition in common. There are 29 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 238.0 aluminum and the bottom bar is 7005 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
70
Elongation at Break, % 1.5
10 to 20
Fatigue Strength, MPa 110
100 to 190
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
26
Tensile Strength: Ultimate (UTS), MPa 210
200 to 400
Tensile Strength: Yield (Proof), MPa 170
95 to 350

Thermal Properties

Latent Heat of Fusion, J/g 430
380
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 510
610
Specific Heat Capacity, J/kg-K 840
880
Thermal Conductivity, W/m-K 100
140 to 170
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
35 to 43
Electrical Conductivity: Equal Weight (Specific), % IACS 67
110 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 3.4
2.9
Embodied Carbon, kg CO2/kg material 7.4
8.3
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1040
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
32 to 57
Resilience: Unit (Modulus of Resilience), kJ/m3 180
65 to 850
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 42
47
Strength to Weight: Axial, points 17
19 to 38
Strength to Weight: Bending, points 23
26 to 41
Thermal Diffusivity, mm2/s 37
54 to 65
Thermal Shock Resistance, points 9.1
8.7 to 18

Alloy Composition


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Aluminum (Al), % 81.9 to 84.9
91 to 94.7
Chromium (Cr), % 0
0.060 to 0.2
Copper (Cu), % 9.5 to 10.5
0 to 0.1
Iron (Fe), % 1.0 to 1.5
0 to 0.4
Magnesium (Mg), % 0 to 0.25
1.0 to 1.8
Manganese (Mn), % 0
0.2 to 0.7
Silicon (Si), % 3.6 to 4.4
0 to 0.35
Titanium (Ti), % 0
0.010 to 0.060
Zinc (Zn), % 1.0 to 1.5
4.0 to 5.0
Zirconium (Zr), % 0
0.080 to 0.2
Residuals, % 0
0 to 0.15