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C78200 Nickel Silver vs. C87400 Brass

Both C78200 nickel silver and C87400 brass are copper alloys. They have 80% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C78200 nickel silver and the bottom bar is C87400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 3.0 to 40
21
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 370 to 630
390
Tensile Strength: Yield (Proof), MPa 170 to 570
160

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 1000
920
Melting Onset (Solidus), °C 970
820
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 48
28
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 12
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 28
27
Density, g/cm3 8.4
8.3
Embodied Carbon, kg CO2/kg material 3.3
2.7
Embodied Energy, MJ/kg 52
44
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 120
65
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 1440
120
Stiffness to Weight: Axial, points 7.4
7.4
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
8.3
Thermal Shock Resistance, points 12 to 21
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.8
Copper (Cu), % 63 to 67
79 to 85.5
Iron (Fe), % 0 to 0.35
0
Lead (Pb), % 1.5 to 2.5
0 to 1.0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 7.0 to 9.0
0
Silicon (Si), % 0
2.5 to 4.0
Zinc (Zn), % 20.2 to 28.5
12 to 16
Residuals, % 0
0 to 0.8