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358.0 Aluminum vs. 2018 Aluminum

Both 358.0 aluminum and 2018 aluminum are aluminum alloys. They have a moderately high 92% 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 358.0 aluminum and the bottom bar is 2018 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
73
Elongation at Break, % 3.5 to 6.0
9.6
Fatigue Strength, MPa 100 to 110
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Shear Strength, MPa 300 to 320
270
Tensile Strength: Ultimate (UTS), MPa 350 to 370
420
Tensile Strength: Yield (Proof), MPa 290 to 320
310

Thermal Properties

Latent Heat of Fusion, J/g 520
390
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 560
510
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 21
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
40
Electrical Conductivity: Equal Weight (Specific), % IACS 130
120

Otherwise Unclassified Properties

Base Metal Price, % relative 19
11
Density, g/cm3 2.6
3.1
Embodied Carbon, kg CO2/kg material 8.7
8.1
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1090
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 20
37
Resilience: Unit (Modulus of Resilience), kJ/m3 590 to 710
670
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
45
Strength to Weight: Axial, points 37 to 39
38
Strength to Weight: Bending, points 42 to 44
41
Thermal Diffusivity, mm2/s 63
57
Thermal Shock Resistance, points 16 to 17
19

Alloy Composition

Aluminum (Al), % 89.1 to 91.8
89.7 to 94.4
Beryllium (Be), % 0.1 to 0.3
0
Chromium (Cr), % 0 to 0.2
0 to 0.1
Copper (Cu), % 0 to 0.2
3.5 to 4.5
Iron (Fe), % 0 to 0.3
0 to 1.0
Magnesium (Mg), % 0.4 to 0.6
0.45 to 0.9
Manganese (Mn), % 0 to 0.2
0 to 0.2
Nickel (Ni), % 0
1.7 to 2.3
Silicon (Si), % 7.6 to 8.6
0 to 0.9
Titanium (Ti), % 0.1 to 0.2
0
Zinc (Zn), % 0 to 0.2
0 to 0.25
Residuals, % 0
0 to 0.15