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AWS BMg-1 vs. C77100 Nickel Silver

AWS BMg-1 belongs to the magnesium alloys classification, while C77100 nickel silver belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 AWS BMg-1 and the bottom bar is C77100 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 47
110
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 18
45
Tensile Strength: Ultimate (UTS), MPa 180
600
Tensile Strength: Yield (Proof), MPa 110
540

Thermal Properties

Latent Heat of Fusion, J/g 350
180
Maximum Temperature: Mechanical, °C 130
150
Melting Completion (Liquidus), °C 600
990
Melting Onset (Solidus), °C 440
950
Specific Heat Capacity, J/kg-K 980
390
Thermal Conductivity, W/m-K 76
40
Thermal Expansion, µm/m-K 26
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 55
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
27
Density, g/cm3 1.8
8.1
Embodied Carbon, kg CO2/kg material 22
3.5
Embodied Energy, MJ/kg 160
56
Embodied Water, L/kg 980
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 120
1280
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 66
20
Strength to Weight: Axial, points 27
21
Strength to Weight: Bending, points 39
20
Thermal Diffusivity, mm2/s 43
13
Thermal Shock Resistance, points 10
19

Alloy Composition


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Aluminum (Al), % 8.3 to 9.7
0
Beryllium (Be), % 0.00020 to 0.00080
0
Copper (Cu), % 0 to 0.050
52 to 56
Iron (Fe), % 0 to 0.0050
0
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 86.1 to 89.8
0
Manganese (Mn), % 0.15 to 1.5
0 to 0.9
Nickel (Ni), % 0 to 0.0050
9.0 to 12
Silicon (Si), % 0 to 0.050
0
Zinc (Zn), % 1.7 to 2.3
30.6 to 39
Residuals, % 0 to 0.3
0 to 0.5