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AZ91B Magnesium vs. C77600 Nickel Silver

AZ91B magnesium belongs to the magnesium alloys classification, while C77600 nickel silver belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, 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 AZ91B magnesium and the bottom bar is C77600 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
110
Elongation at Break, % 5.0
30
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 18
43
Shear Strength, MPa 140
410
Tensile Strength: Ultimate (UTS), MPa 240
630
Tensile Strength: Yield (Proof), MPa 160
320

Thermal Properties

Latent Heat of Fusion, J/g 360
180
Maximum Temperature: Mechanical, °C 130
140
Melting Completion (Liquidus), °C 600
830
Melting Onset (Solidus), °C 470
790
Specific Heat Capacity, J/kg-K 990
390
Thermal Expansion, µm/m-K 26
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
27
Electrical Conductivity: Equal Weight (Specific), % IACS 58
31

Otherwise Unclassified Properties

Base Metal Price, % relative 12
27
Density, g/cm3 1.7
7.9
Embodied Carbon, kg CO2/kg material 22
3.7
Embodied Energy, MJ/kg 160
60
Embodied Water, L/kg 990
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
160
Resilience: Unit (Modulus of Resilience), kJ/m3 280
470
Stiffness to Weight: Axial, points 15
7.9
Stiffness to Weight: Bending, points 69
20
Strength to Weight: Axial, points 38
22
Strength to Weight: Bending, points 49
21
Thermal Shock Resistance, points 14
20

Alloy Composition


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Aluminum (Al), % 8.3 to 9.7
0
Copper (Cu), % 0 to 0.35
42 to 45
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 87.9 to 91.2
0
Manganese (Mn), % 0.13 to 0.5
0 to 0.25
Nickel (Ni), % 0 to 0.030
12 to 14
Silicon (Si), % 0 to 0.5
0
Tin (Sn), % 0
0 to 0.15
Zinc (Zn), % 0.35 to 1.0
39.7 to 46
Residuals, % 0
0 to 0.5