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AM60A Magnesium vs. ASTM B628 Ag-Cu

AM60A magnesium belongs to the magnesium alloys classification, while ASTM B628 Ag-Cu 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 AM60A magnesium and the bottom bar is ASTM B628 Ag-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
83
Elongation at Break, % 8.8
1.1 to 17
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 18
31
Shear Strength, MPa 130
210 to 430
Tensile Strength: Ultimate (UTS), MPa 230
350 to 760

Thermal Properties

Latent Heat of Fusion, J/g 350
140
Melting Completion (Liquidus), °C 620
780
Melting Onset (Solidus), °C 550
780
Specific Heat Capacity, J/kg-K 1000
280
Thermal Expansion, µm/m-K 26
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
84
Electrical Conductivity: Equal Weight (Specific), % IACS 69
75

Otherwise Unclassified Properties

Density, g/cm3 1.7
10

Common Calculations

Stiffness to Weight: Axial, points 15
4.6
Stiffness to Weight: Bending, points 71
14
Strength to Weight: Axial, points 37
9.5 to 21
Strength to Weight: Bending, points 49
11 to 18
Thermal Shock Resistance, points 14
16 to 34

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0 to 0.0050
Cadmium (Cd), % 0
0 to 0.050
Copper (Cu), % 0 to 0.35
26.6 to 29
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 91.8 to 94.4
0
Manganese (Mn), % 0.13 to 0.6
0
Nickel (Ni), % 0 to 0.030
0 to 0.010
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
71 to 73
Zinc (Zn), % 0 to 0.22
0 to 0.060
Residuals, % 0
0 to 0.21