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C97400 Nickel Silver vs. CC755S Brass

Both C97400 nickel silver and CC755S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 76% of their average alloy composition in common.

For each property being compared, the top bar is C97400 nickel silver and the bottom bar is CC755S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
110
Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 20
9.5
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 260
390
Tensile Strength: Yield (Proof), MPa 120
250

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 180
120
Melting Completion (Liquidus), °C 1100
820
Melting Onset (Solidus), °C 1070
780
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 27
120
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
30

Otherwise Unclassified Properties

Base Metal Price, % relative 33
23
Density, g/cm3 8.6
8.1
Embodied Carbon, kg CO2/kg material 4.1
2.7
Embodied Energy, MJ/kg 64
46
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43
33
Resilience: Unit (Modulus of Resilience), kJ/m3 59
290
Stiffness to Weight: Axial, points 7.5
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 8.5
14
Strength to Weight: Bending, points 11
15
Thermal Diffusivity, mm2/s 8.3
38
Thermal Shock Resistance, points 8.8
13

Alloy Composition

Aluminum (Al), % 0
0.4 to 0.7
Copper (Cu), % 58 to 61
59.5 to 61
Iron (Fe), % 0 to 1.5
0.050 to 0.2
Lead (Pb), % 4.5 to 5.5
1.2 to 1.7
Manganese (Mn), % 0 to 0.5
0 to 0.050
Nickel (Ni), % 15.5 to 17
0 to 0.2
Silicon (Si), % 0
0 to 0.050
Tin (Sn), % 2.5 to 3.5
0 to 0.3
Zinc (Zn), % 10 to 19.5
35.8 to 38.9
Residuals, % 0 to 1.0
0