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CC755S Brass vs. C77100 Nickel Silver

Both CC755S brass and C77100 nickel silver are copper alloys. They have 89% of their average alloy composition in common. There are 26 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 CC755S brass and the bottom bar is C77100 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 40
45
Tensile Strength: Ultimate (UTS), MPa 390
600
Tensile Strength: Yield (Proof), MPa 250
540

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 120
150
Melting Completion (Liquidus), °C 820
990
Melting Onset (Solidus), °C 780
950
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
40
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 30
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 23
27
Density, g/cm3 8.1
8.1
Embodied Carbon, kg CO2/kg material 2.7
3.5
Embodied Energy, MJ/kg 46
56
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 290
1280
Stiffness to Weight: Axial, points 7.1
7.8
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 14
21
Strength to Weight: Bending, points 15
20
Thermal Diffusivity, mm2/s 38
13
Thermal Shock Resistance, points 13
19

Alloy Composition

Aluminum (Al), % 0.4 to 0.7
0
Copper (Cu), % 59.5 to 61
52 to 56
Iron (Fe), % 0.050 to 0.2
0
Lead (Pb), % 1.2 to 1.7
0 to 0.030
Manganese (Mn), % 0 to 0.050
0 to 0.9
Nickel (Ni), % 0 to 0.2
9.0 to 12
Silicon (Si), % 0 to 0.050
0
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.8 to 38.9
30.6 to 39
Residuals, % 0
0 to 0.5