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EN AC-45400 Aluminum vs. 5051A Aluminum

Both EN AC-45400 aluminum and 5051A aluminum are aluminum alloys. They have a moderately high 91% 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 EN AC-45400 aluminum and the bottom bar is 5051A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
68
Elongation at Break, % 6.7
18 to 21
Fatigue Strength, MPa 55
51 to 61
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 260
170
Tensile Strength: Yield (Proof), MPa 130
56

Thermal Properties

Latent Heat of Fusion, J/g 470
400
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 560
610
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 140
150
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
39
Electrical Conductivity: Equal Weight (Specific), % IACS 95
130

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 7.8
8.5
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1100
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
24 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 110
23
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
50
Strength to Weight: Axial, points 25
17 to 18
Strength to Weight: Bending, points 32
25
Thermal Diffusivity, mm2/s 54
63
Thermal Shock Resistance, points 12
7.6

Alloy Composition

Aluminum (Al), % 88.4 to 92.9
96.1 to 98.6
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 2.6 to 3.6
0 to 0.050
Iron (Fe), % 0 to 0.6
0 to 0.45
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0 to 0.050
1.4 to 2.1
Manganese (Mn), % 0 to 0.55
0 to 0.25
Nickel (Ni), % 0 to 0.1
0
Silicon (Si), % 4.5 to 6.0
0 to 0.3
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
0 to 0.1
Zinc (Zn), % 0 to 0.2
0 to 0.2
Residuals, % 0
0 to 0.15