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ASTM B522 Class II vs. EN AC-45000 Aluminum

ASTM B522 class II belongs to the otherwise unclassified metals classification, while EN AC-45000 aluminum belongs to the aluminum alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, 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 ASTM B522 class II and the bottom bar is EN AC-45000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 96
73
Elongation at Break, % 1.1 to 28
1.1
Poisson's Ratio 0.41
0.33
Shear Modulus, GPa 34
27
Tensile Strength: Ultimate (UTS), MPa 280 to 490
180
Tensile Strength: Yield (Proof), MPa 120 to 210
110

Thermal Properties

Latent Heat of Fusion, J/g 77
470
Melting Completion (Liquidus), °C 1030
640
Melting Onset (Solidus), °C 1030
520
Specific Heat Capacity, J/kg-K 160
870
Thermal Expansion, µm/m-K 15
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
27
Electrical Conductivity: Equal Weight (Specific), % IACS 5.7
81

Otherwise Unclassified Properties

Density, g/cm3 17
3.0

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4 to 63
1.7
Resilience: Unit (Modulus of Resilience), kJ/m3 75 to 230
80
Stiffness to Weight: Axial, points 3.1
14
Stiffness to Weight: Bending, points 8.9
47
Strength to Weight: Axial, points 4.4 to 7.8
17
Strength to Weight: Bending, points 5.5 to 8.0
24
Thermal Shock Resistance, points 13 to 24
8.0

Alloy Composition

Aluminum (Al), % 0
82.2 to 91.8
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 0
3.0 to 5.0
Gold (Au), % 68.5 to 69.5
0
Iron (Fe), % 0
0 to 1.0
Lead (Pb), % 0
0 to 0.3
Magnesium (Mg), % 0
0 to 0.55
Manganese (Mn), % 0
0.2 to 0.65
Nickel (Ni), % 0
0 to 0.45
Platinum (Pt), % 5.5 to 6.5
0
Silicon (Si), % 0
5.0 to 7.0
Silver (Ag), % 24.5 to 25.5
0
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 2.0
Residuals, % 0
0 to 0.35