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238.0 Aluminum vs. B535.0 Aluminum

Both 238.0 aluminum and B535.0 aluminum are aluminum alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 84% 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 B535.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
66
Elongation at Break, % 1.5
10
Fatigue Strength, MPa 110
62
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
25
Tensile Strength: Ultimate (UTS), MPa 210
260
Tensile Strength: Yield (Proof), MPa 170
130

Thermal Properties

Latent Heat of Fusion, J/g 430
390
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 600
630
Melting Onset (Solidus), °C 510
550
Specific Heat Capacity, J/kg-K 840
910
Thermal Conductivity, W/m-K 100
96
Thermal Expansion, µm/m-K 21
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
24
Electrical Conductivity: Equal Weight (Specific), % IACS 67
82

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 3.4
2.6
Embodied Carbon, kg CO2/kg material 7.4
9.4
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1040
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
22
Resilience: Unit (Modulus of Resilience), kJ/m3 180
130
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 42
51
Strength to Weight: Axial, points 17
28
Strength to Weight: Bending, points 23
35
Thermal Diffusivity, mm2/s 37
40
Thermal Shock Resistance, points 9.1
11

Alloy Composition


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Aluminum (Al), % 81.9 to 84.9
91.7 to 93.4
Copper (Cu), % 9.5 to 10.5
0 to 0.1
Iron (Fe), % 1.0 to 1.5
0 to 0.15
Magnesium (Mg), % 0 to 0.25
6.5 to 7.5
Manganese (Mn), % 0
0 to 0.050
Silicon (Si), % 3.6 to 4.4
0 to 0.15
Titanium (Ti), % 0
0.1 to 0.25
Zinc (Zn), % 1.0 to 1.5
0
Residuals, % 0
0 to 0.15