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ZK60A Magnesium vs. ASTM B477 Au-Ni-Ag

ZK60A 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 (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 ZK60A magnesium and the bottom bar is ASTM B477 Au-Ni-Ag.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
95
Elongation at Break, % 4.5 to 9.9
5.5 to 11
Poisson's Ratio 0.29
0.41
Shear Modulus, GPa 18
34
Shear Strength, MPa 170 to 190
190 to 320
Tensile Strength: Ultimate (UTS), MPa 320 to 330
310 to 550

Thermal Properties

Latent Heat of Fusion, J/g 330
80
Melting Completion (Liquidus), °C 600
1010
Melting Onset (Solidus), °C 550
930
Specific Heat Capacity, J/kg-K 960
160
Thermal Expansion, µm/m-K 26
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29 to 30
14
Electrical Conductivity: Equal Weight (Specific), % IACS 140
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 63
8.9
Strength to Weight: Axial, points 47 to 49
5.0 to 9.0
Strength to Weight: Bending, points 55 to 56
6.0 to 8.8
Thermal Shock Resistance, points 19 to 20
16 to 28

Alloy Composition

Gold (Au), % 0
74.2 to 75.8
Magnesium (Mg), % 92.5 to 94.8
0
Nickel (Ni), % 0
2.6 to 3.4
Silver (Ag), % 0
21.4 to 22.6
Zinc (Zn), % 4.8 to 6.2
0
Zirconium (Zr), % 0.45 to 1.0
0
Residuals, % 0
0 to 0.3