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EN AC-42100 Aluminum vs. 5056 Aluminum

Both EN AC-42100 aluminum and 5056 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 EN AC-42100 aluminum and the bottom bar is 5056 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
67
Elongation at Break, % 3.4 to 9.0
4.9 to 31
Fatigue Strength, MPa 76 to 82
140 to 200
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
25
Tensile Strength: Ultimate (UTS), MPa 280 to 290
290 to 460
Tensile Strength: Yield (Proof), MPa 210 to 230
150 to 410

Thermal Properties

Latent Heat of Fusion, J/g 500
400
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 610
640
Melting Onset (Solidus), °C 600
570
Specific Heat Capacity, J/kg-K 910
910
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 22
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
29
Electrical Conductivity: Equal Weight (Specific), % IACS 140
99

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 23
12 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
170 to 1220
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
51
Strength to Weight: Axial, points 30 to 31
30 to 48
Strength to Weight: Bending, points 37 to 38
36 to 50
Thermal Diffusivity, mm2/s 66
53
Thermal Shock Resistance, points 13
13 to 20

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
93 to 95.4
Chromium (Cr), % 0
0.050 to 0.2
Copper (Cu), % 0 to 0.050
0 to 0.1
Iron (Fe), % 0 to 0.19
0 to 0.4
Magnesium (Mg), % 0.25 to 0.45
4.5 to 5.6
Manganese (Mn), % 0 to 0.1
0.050 to 0.2
Silicon (Si), % 6.5 to 7.5
0 to 0.3
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0 to 0.1
Residuals, % 0
0 to 0.15