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C61800 Bronze vs. C79200 Nickel Silver

Both C61800 bronze and C79200 nickel silver are copper alloys. They have 63% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C61800 bronze and the bottom bar is C79200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
44
Tensile Strength: Ultimate (UTS), MPa 740
480 to 540

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 1050
950
Melting Onset (Solidus), °C 1040
910
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 64
42
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
28
Electrical Conductivity: Equal Weight (Specific), % IACS 14
30

Otherwise Unclassified Properties

Base Metal Price, % relative 28
30
Density, g/cm3 8.3
8.4
Embodied Carbon, kg CO2/kg material 3.1
3.6
Embodied Energy, MJ/kg 52
56
Embodied Water, L/kg 390
310

Common Calculations

Stiffness to Weight: Axial, points 7.5
7.7
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 25
16 to 18
Strength to Weight: Bending, points 22
16 to 18
Thermal Diffusivity, mm2/s 18
13
Thermal Shock Resistance, points 26
16 to 18

Alloy Composition

Aluminum (Al), % 8.5 to 11
0
Copper (Cu), % 86.9 to 91
59 to 66.5
Iron (Fe), % 0.5 to 1.5
0 to 0.25
Lead (Pb), % 0 to 0.020
0.8 to 1.4
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
11 to 13
Silicon (Si), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.020
17.9 to 29.2
Residuals, % 0
0 to 0.5