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238.0 Aluminum vs. 5056 Aluminum

Both 238.0 aluminum and 5056 aluminum are aluminum alloys. 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 5056 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
67
Elongation at Break, % 1.5
4.9 to 31
Fatigue Strength, MPa 110
140 to 200
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
25
Tensile Strength: Ultimate (UTS), MPa 210
290 to 460
Tensile Strength: Yield (Proof), MPa 170
150 to 410

Thermal Properties

Latent Heat of Fusion, J/g 430
400
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 510
570
Specific Heat Capacity, J/kg-K 840
910
Thermal Conductivity, W/m-K 100
130
Thermal Expansion, µm/m-K 21
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
29
Electrical Conductivity: Equal Weight (Specific), % IACS 67
99

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 3.4
2.7
Embodied Carbon, kg CO2/kg material 7.4
9.0
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1040
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
12 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 180
170 to 1220
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 42
51
Strength to Weight: Axial, points 17
30 to 48
Strength to Weight: Bending, points 23
36 to 50
Thermal Diffusivity, mm2/s 37
53
Thermal Shock Resistance, points 9.1
13 to 20

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
93 to 95.4
Chromium (Cr), % 0
0.050 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
4.5 to 5.6
Manganese (Mn), % 0
0.050 to 0.2
Silicon (Si), % 3.6 to 4.4
0 to 0.3
Zinc (Zn), % 1.0 to 1.5
0 to 0.1
Residuals, % 0
0 to 0.15