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EN AC-51500 Aluminum vs. ASTM A356 Grade 2

EN AC-51500 aluminum belongs to the aluminum alloys classification, while ASTM A356 grade 2 belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is EN AC-51500 aluminum and the bottom bar is ASTM A356 grade 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
150
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 5.6
25
Fatigue Strength, MPa 120
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 280
510
Tensile Strength: Yield (Proof), MPa 160
270

Thermal Properties

Latent Heat of Fusion, J/g 430
250
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 630
1470
Melting Onset (Solidus), °C 590
1430
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 120
51
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 88
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.4
Density, g/cm3 2.6
7.9
Embodied Carbon, kg CO2/kg material 9.0
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1150
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
110
Resilience: Unit (Modulus of Resilience), kJ/m3 190
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 52
24
Strength to Weight: Axial, points 29
18
Strength to Weight: Bending, points 36
18
Thermal Diffusivity, mm2/s 49
14
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 89.8 to 93.1
0
Carbon (C), % 0
0 to 0.25
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.25
97.7 to 99.55
Magnesium (Mg), % 4.7 to 6.0
0
Manganese (Mn), % 0.4 to 0.8
0 to 0.7
Molybdenum (Mo), % 0
0.45 to 0.65
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 1.8 to 2.6
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.15
0