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Annealed ASTM B596 vs. ISO-WD21150-O

Annealed ASTM B596 belongs to the otherwise unclassified metals classification, while ISO-WD21150-O belongs to the magnesium alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, 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 annealed ASTM B596 and the bottom bar is ISO-WD21150-O.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
45
Elongation at Break, % 17
11
Poisson's Ratio 0.41
0.29
Shear Modulus, GPa 36
17
Shear Strength, MPa 280
150
Tensile Strength: Ultimate (UTS), MPa 450
240

Thermal Properties

Latent Heat of Fusion, J/g 77
350
Melting Completion (Liquidus), °C 1060
600
Melting Onset (Solidus), °C 930
550
Specific Heat Capacity, J/kg-K 150
990
Thermal Expansion, µm/m-K 14
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
19
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
100

Otherwise Unclassified Properties

Density, g/cm3 18
1.7

Common Calculations

Stiffness to Weight: Axial, points 3.1
15
Stiffness to Weight: Bending, points 8.5
70
Strength to Weight: Axial, points 6.8
40
Strength to Weight: Bending, points 7.1
52
Thermal Shock Resistance, points 22
15

Alloy Composition

Aluminum (Al), % 0
2.4 to 3.6
Copper (Cu), % 9.0 to 11
0 to 0.050
Gold (Au), % 89 to 91
0
Iron (Fe), % 0
0 to 0.0050
Magnesium (Mg), % 0
94 to 97
Manganese (Mn), % 0
0.15 to 0.4
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0
0 to 0.1
Zinc (Zn), % 0
0.5 to 1.5
Residuals, % 0
0 to 0.3