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C77000 Nickel Silver vs. C87800 Brass

Both C77000 nickel silver and C87800 brass are copper alloys. They have 70% of their average alloy composition in common. There are 25 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 C77000 nickel silver and the bottom bar is C87800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.31
0.33
Rockwell B Hardness 52 to 99
86
Shear Modulus, GPa 46
42
Tensile Strength: Ultimate (UTS), MPa 420 to 800
590

Thermal Properties

Latent Heat of Fusion, J/g 200
260
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 1050
920
Melting Onset (Solidus), °C 1000
820
Specific Heat Capacity, J/kg-K 400
410
Thermal Conductivity, W/m-K 29
28
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 5.5
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 6.0
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
27
Density, g/cm3 8.3
8.3
Embodied Carbon, kg CO2/kg material 4.1
2.7
Embodied Energy, MJ/kg 63
44
Embodied Water, L/kg 300
300

Common Calculations

Stiffness to Weight: Axial, points 8.1
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 14 to 27
20
Strength to Weight: Bending, points 15 to 23
19
Thermal Diffusivity, mm2/s 8.8
8.3
Thermal Shock Resistance, points 15 to 28
21

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 53.5 to 56.5
80 to 84.2
Iron (Fe), % 0 to 0.25
0 to 0.15
Lead (Pb), % 0 to 0.050
0 to 0.15
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0 to 0.5
0 to 0.15
Nickel (Ni), % 16.5 to 19.5
0 to 0.2
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
3.8 to 4.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 22.7 to 30
12 to 16
Residuals, % 0
0 to 0.5