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CC755S Brass vs. C79200 Nickel Silver

Both CC755S brass and C79200 nickel silver are copper alloys. They have 85% of their average alloy composition in common. There are 24 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 CC755S brass and the bottom bar is C79200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
44
Tensile Strength: Ultimate (UTS), MPa 390
480 to 540

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 820
950
Melting Onset (Solidus), °C 780
910
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
42
Thermal Expansion, µm/m-K 21
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
28
Electrical Conductivity: Equal Weight (Specific), % IACS 30
30

Otherwise Unclassified Properties

Base Metal Price, % relative 23
30
Density, g/cm3 8.1
8.4
Embodied Carbon, kg CO2/kg material 2.7
3.6
Embodied Energy, MJ/kg 46
56
Embodied Water, L/kg 330
310

Common Calculations

Stiffness to Weight: Axial, points 7.1
7.7
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 14
16 to 18
Strength to Weight: Bending, points 15
16 to 18
Thermal Diffusivity, mm2/s 38
13
Thermal Shock Resistance, points 13
16 to 18

Alloy Composition

Aluminum (Al), % 0.4 to 0.7
0
Copper (Cu), % 59.5 to 61
59 to 66.5
Iron (Fe), % 0.050 to 0.2
0 to 0.25
Lead (Pb), % 1.2 to 1.7
0.8 to 1.4
Manganese (Mn), % 0 to 0.050
0 to 0.5
Nickel (Ni), % 0 to 0.2
11 to 13
Silicon (Si), % 0 to 0.050
0
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.8 to 38.9
17.9 to 29.2
Residuals, % 0
0 to 0.5