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AZ63A Magnesium vs. C74500 Nickel Silver

AZ63A magnesium belongs to the magnesium alloys classification, while C74500 nickel silver belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 AZ63A magnesium and the bottom bar is C74500 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
120
Elongation at Break, % 2.2 to 8.0
3.0 to 24
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 18
44
Shear Strength, MPa 110 to 160
310 to 380
Tensile Strength: Ultimate (UTS), MPa 190 to 270
390 to 700
Tensile Strength: Yield (Proof), MPa 81 to 120
380 to 600

Thermal Properties

Latent Heat of Fusion, J/g 350
190
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 610
1020
Melting Onset (Solidus), °C 450
970
Specific Heat Capacity, J/kg-K 980
390
Thermal Conductivity, W/m-K 52 to 65
45
Thermal Expansion, µm/m-K 26
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12 to 15
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 59 to 74
9.7

Otherwise Unclassified Properties

Base Metal Price, % relative 12
29
Density, g/cm3 1.8
8.3
Embodied Carbon, kg CO2/kg material 22
3.4
Embodied Energy, MJ/kg 150
54
Embodied Water, L/kg 970
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.7 to 16
12 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 71 to 160
620 to 1540
Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 66
19
Strength to Weight: Axial, points 29 to 41
13 to 23
Strength to Weight: Bending, points 40 to 51
14 to 21
Thermal Diffusivity, mm2/s 29 to 37
14
Thermal Shock Resistance, points 11 to 16
13 to 23

Alloy Composition

Aluminum (Al), % 5.3 to 6.7
0
Copper (Cu), % 0 to 0.25
63.5 to 66.5
Iron (Fe), % 0
0 to 0.25
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 88.6 to 92.1
0
Manganese (Mn), % 0.15 to 0.35
0 to 0.5
Nickel (Ni), % 0 to 0.010
9.0 to 11
Silicon (Si), % 0 to 0.3
0
Zinc (Zn), % 2.5 to 3.5
21.2 to 27.5
Residuals, % 0
0 to 0.5