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5056 Aluminum vs. A356.0 Aluminum

Both 5056 aluminum and A356.0 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 5056 aluminum and the bottom bar is A356.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
70
Elongation at Break, % 4.9 to 31
3.0 to 6.0
Fatigue Strength, MPa 140 to 200
50 to 90
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
26
Tensile Strength: Ultimate (UTS), MPa 290 to 460
160 to 270
Tensile Strength: Yield (Proof), MPa 150 to 410
83 to 200

Thermal Properties

Latent Heat of Fusion, J/g 400
500
Maximum Temperature: Mechanical, °C 190
170
Melting Completion (Liquidus), °C 640
610
Melting Onset (Solidus), °C 570
570
Specific Heat Capacity, J/kg-K 910
900
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
40
Electrical Conductivity: Equal Weight (Specific), % IACS 99
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.6
Embodied Carbon, kg CO2/kg material 9.0
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 140
4.8 to 15
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 1220
49 to 300
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 51
53
Strength to Weight: Axial, points 30 to 48
17 to 29
Strength to Weight: Bending, points 36 to 50
25 to 36
Thermal Diffusivity, mm2/s 53
64
Thermal Shock Resistance, points 13 to 20
7.6 to 13

Alloy Composition

Aluminum (Al), % 93 to 95.4
91.1 to 93.3
Chromium (Cr), % 0.050 to 0.2
0
Copper (Cu), % 0 to 0.1
0 to 0.2
Iron (Fe), % 0 to 0.4
0 to 0.2
Magnesium (Mg), % 4.5 to 5.6
0.25 to 0.45
Manganese (Mn), % 0.050 to 0.2
0 to 0.1
Silicon (Si), % 0 to 0.3
6.5 to 7.5
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.1
0 to 0.1
Residuals, % 0
0 to 0.15