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C78200 Nickel Silver vs. C68700 Brass

Both C78200 nickel silver and C68700 brass are copper alloys. They have 85% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C78200 nickel silver and the bottom bar is C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 370 to 630
390
Tensile Strength: Yield (Proof), MPa 170 to 570
140

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 1000
970
Melting Onset (Solidus), °C 970
930
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 48
100
Thermal Expansion, µm/m-K 19
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
23
Electrical Conductivity: Equal Weight (Specific), % IACS 12
25

Otherwise Unclassified Properties

Base Metal Price, % relative 28
26
Density, g/cm3 8.4
8.3
Embodied Carbon, kg CO2/kg material 3.3
2.8
Embodied Energy, MJ/kg 52
46
Embodied Water, L/kg 310
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 1440
90
Stiffness to Weight: Axial, points 7.4
7.3
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 12 to 21
13
Strength to Weight: Bending, points 14 to 19
14
Thermal Diffusivity, mm2/s 15
30
Thermal Shock Resistance, points 12 to 21
13

Alloy Composition

Aluminum (Al), % 0
1.8 to 2.5
Arsenic (As), % 0
0.020 to 0.1
Copper (Cu), % 63 to 67
76 to 79
Iron (Fe), % 0 to 0.35
0 to 0.060
Lead (Pb), % 1.5 to 2.5
0 to 0.070
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 7.0 to 9.0
0
Zinc (Zn), % 20.2 to 28.5
17.8 to 22.2
Residuals, % 0
0 to 0.5