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EN-MC95310 Magnesium vs. ASTM B477 Au-Ni-Ag

EN-MC95310 magnesium belongs to the magnesium alloys classification, while ASTM B477 Au-Ni-Ag belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (13, 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-MC95310 magnesium and the bottom bar is ASTM B477 Au-Ni-Ag.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
95
Elongation at Break, % 2.2
5.5 to 11
Poisson's Ratio 0.29
0.41
Shear Modulus, GPa 17
34
Shear Strength, MPa 160
190 to 320
Tensile Strength: Ultimate (UTS), MPa 280
310 to 550

Thermal Properties

Latent Heat of Fusion, J/g 330
80
Melting Completion (Liquidus), °C 650
1010
Melting Onset (Solidus), °C 540
930
Specific Heat Capacity, J/kg-K 960
160
Thermal Expansion, µm/m-K 25
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
14
Electrical Conductivity: Equal Weight (Specific), % IACS 50
7.5

Otherwise Unclassified Properties

Density, g/cm3 1.9
17

Common Calculations

Stiffness to Weight: Axial, points 13
3.1
Stiffness to Weight: Bending, points 61
8.9
Strength to Weight: Axial, points 40
5.0 to 9.0
Strength to Weight: Bending, points 49
6.0 to 8.8
Thermal Shock Resistance, points 18
16 to 28

Alloy Composition

Copper (Cu), % 0 to 0.030
0
Gold (Au), % 0
74.2 to 75.8
Iron (Fe), % 0 to 0.010
0
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.9 to 93.4
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
2.6 to 3.4
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 0
21.4 to 22.6
Unspecified Rare Earths, % 1.5 to 4.0
0
Yttrium (Y), % 4.8 to 5.5
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.3