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5056 Aluminum vs. 5040 Aluminum

Both 5056 aluminum and 5040 aluminum are aluminum alloys. They have a very high 96% of their average alloy composition in common. There are 30 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 5056 aluminum and the bottom bar is 5040 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
70
Elongation at Break, % 4.9 to 31
5.7 to 6.8
Fatigue Strength, MPa 140 to 200
100 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
26
Shear Strength, MPa 170 to 240
140 to 150
Tensile Strength: Ultimate (UTS), MPa 290 to 460
240 to 260
Tensile Strength: Yield (Proof), MPa 150 to 410
190 to 230

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 190
190
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 570
600
Specific Heat Capacity, J/kg-K 910
900
Thermal Conductivity, W/m-K 130
160
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
41
Electrical Conductivity: Equal Weight (Specific), % IACS 99
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.8
Embodied Carbon, kg CO2/kg material 9.0
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 140
14 to 15
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 1220
260 to 380
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
50
Strength to Weight: Axial, points 30 to 48
24 to 26
Strength to Weight: Bending, points 36 to 50
31 to 32
Thermal Diffusivity, mm2/s 53
64
Thermal Shock Resistance, points 13 to 20
10 to 11

Alloy Composition

Aluminum (Al), % 93 to 95.4
95.2 to 98
Chromium (Cr), % 0.050 to 0.2
0.1 to 0.3
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 0 to 0.4
0 to 0.7
Magnesium (Mg), % 4.5 to 5.6
1.0 to 1.5
Manganese (Mn), % 0.050 to 0.2
0.9 to 1.4
Silicon (Si), % 0 to 0.3
0 to 0.3
Zinc (Zn), % 0 to 0.1
0 to 0.25
Residuals, % 0
0 to 0.15

Comparable Variants