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C97400 Nickel Silver vs. CC761S Brass

Both C97400 nickel silver and CC761S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 75% of their average alloy composition in common.

For each property being compared, the top bar is C97400 nickel silver and the bottom bar is CC761S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
150
Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 20
8.7
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 44
42
Tensile Strength: Ultimate (UTS), MPa 260
540
Tensile Strength: Yield (Proof), MPa 120
340

Thermal Properties

Latent Heat of Fusion, J/g 190
260
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 1100
960
Melting Onset (Solidus), °C 1070
910
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 27
27
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
40
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
43

Otherwise Unclassified Properties

Base Metal Price, % relative 33
27
Density, g/cm3 8.6
8.3
Embodied Carbon, kg CO2/kg material 4.1
2.7
Embodied Energy, MJ/kg 64
45
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43
41
Resilience: Unit (Modulus of Resilience), kJ/m3 59
530
Stiffness to Weight: Axial, points 7.5
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 8.5
18
Strength to Weight: Bending, points 11
18
Thermal Diffusivity, mm2/s 8.3
8.0
Thermal Shock Resistance, points 8.8
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0
0 to 0.050
Copper (Cu), % 58 to 61
78 to 83
Iron (Fe), % 0 to 1.5
0 to 0.6
Lead (Pb), % 4.5 to 5.5
0 to 0.8
Manganese (Mn), % 0 to 0.5
0 to 0.2
Nickel (Ni), % 15.5 to 17
0 to 1.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
3.0 to 5.0
Tin (Sn), % 2.5 to 3.5
0 to 0.3
Zinc (Zn), % 10 to 19.5
8.9 to 19
Residuals, % 0 to 1.0
0