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CC761S Brass vs. C77000 Nickel Silver

Both CC761S brass and C77000 nickel silver are copper alloys. They have 70% 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 CC761S brass and the bottom bar is C77000 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
46
Tensile Strength: Ultimate (UTS), MPa 540
420 to 800

Thermal Properties

Latent Heat of Fusion, J/g 260
200
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 960
1050
Melting Onset (Solidus), °C 910
1000
Specific Heat Capacity, J/kg-K 410
400
Thermal Conductivity, W/m-K 27
29
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
5.5
Electrical Conductivity: Equal Weight (Specific), % IACS 43
6.0

Otherwise Unclassified Properties

Base Metal Price, % relative 27
31
Density, g/cm3 8.3
8.3
Embodied Carbon, kg CO2/kg material 2.7
4.1
Embodied Energy, MJ/kg 45
63
Embodied Water, L/kg 300
300

Common Calculations

Stiffness to Weight: Axial, points 7.4
8.1
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 18
14 to 27
Strength to Weight: Bending, points 18
15 to 23
Thermal Diffusivity, mm2/s 8.0
8.8
Thermal Shock Resistance, points 19
15 to 28

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.050
0
Copper (Cu), % 78 to 83
53.5 to 56.5
Iron (Fe), % 0 to 0.6
0 to 0.25
Lead (Pb), % 0 to 0.8
0 to 0.050
Manganese (Mn), % 0 to 0.2
0 to 0.5
Nickel (Ni), % 0 to 1.0
16.5 to 19.5
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 3.0 to 5.0
0
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 8.9 to 19
22.7 to 30
Residuals, % 0
0 to 0.5