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C66700 Brass vs. C79200 Nickel Silver

Both C66700 brass and C79200 nickel silver are copper alloys. They have 87% 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 C66700 brass 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 0.31
0.32
Shear Modulus, GPa 41
44
Tensile Strength: Ultimate (UTS), MPa 340 to 690
480 to 540

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 140
170
Melting Completion (Liquidus), °C 1090
950
Melting Onset (Solidus), °C 1050
910
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 97
42
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
28
Electrical Conductivity: Equal Weight (Specific), % IACS 19
30

Otherwise Unclassified Properties

Base Metal Price, % relative 25
30
Density, g/cm3 8.2
8.4
Embodied Carbon, kg CO2/kg material 2.7
3.6
Embodied Energy, MJ/kg 45
56
Embodied Water, L/kg 320
310

Common Calculations

Stiffness to Weight: Axial, points 7.3
7.7
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 11 to 23
16 to 18
Strength to Weight: Bending, points 13 to 21
16 to 18
Thermal Diffusivity, mm2/s 30
13
Thermal Shock Resistance, points 11 to 23
16 to 18

Alloy Composition

Copper (Cu), % 68.5 to 71.5
59 to 66.5
Iron (Fe), % 0 to 0.1
0 to 0.25
Lead (Pb), % 0 to 0.070
0.8 to 1.4
Manganese (Mn), % 0.8 to 1.5
0 to 0.5
Nickel (Ni), % 0
11 to 13
Zinc (Zn), % 26.3 to 30.7
17.9 to 29.2
Residuals, % 0
0 to 0.5

Comparable Variants