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C97400 Nickel Silver vs. CC750S Brass

Both C97400 nickel silver and CC750S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 78% of their average alloy composition in common.

For each property being compared, the top bar is C97400 nickel silver and the bottom bar is CC750S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
54
Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 20
13
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 260
200
Tensile Strength: Yield (Proof), MPa 120
80

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 180
130
Melting Completion (Liquidus), °C 1100
860
Melting Onset (Solidus), °C 1070
810
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 27
110
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
24
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
26

Otherwise Unclassified Properties

Base Metal Price, % relative 33
25
Density, g/cm3 8.6
8.2
Embodied Carbon, kg CO2/kg material 4.1
2.8
Embodied Energy, MJ/kg 64
46
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43
22
Resilience: Unit (Modulus of Resilience), kJ/m3 59
30
Stiffness to Weight: Axial, points 7.5
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 8.5
6.8
Strength to Weight: Bending, points 11
9.3
Thermal Diffusivity, mm2/s 8.3
35
Thermal Shock Resistance, points 8.8
6.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Copper (Cu), % 58 to 61
62 to 67
Iron (Fe), % 0 to 1.5
0 to 0.8
Lead (Pb), % 4.5 to 5.5
1.0 to 3.0
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 0.050
Silicon (Si), % 0
0 to 0.050
Tin (Sn), % 2.5 to 3.5
0 to 1.5
Zinc (Zn), % 10 to 19.5
26.3 to 36
Residuals, % 0 to 1.0
0