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C97800 Nickel Silver vs. C84200 Brass

Both C97800 nickel silver and C84200 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 C97800 nickel silver and the bottom bar is C84200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
110
Elongation at Break, % 10
15
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 48
40
Tensile Strength: Ultimate (UTS), MPa 370
250
Tensile Strength: Yield (Proof), MPa 170
120

Thermal Properties

Latent Heat of Fusion, J/g 220
180
Maximum Temperature: Mechanical, °C 230
150
Melting Completion (Liquidus), °C 1180
990
Melting Onset (Solidus), °C 1140
840
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 25
72
Thermal Expansion, µm/m-K 16
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.0
16
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
17

Otherwise Unclassified Properties

Base Metal Price, % relative 40
30
Density, g/cm3 8.8
8.5
Embodied Carbon, kg CO2/kg material 5.1
3.1
Embodied Energy, MJ/kg 76
51
Embodied Water, L/kg 330
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
31
Resilience: Unit (Modulus of Resilience), kJ/m3 120
72
Stiffness to Weight: Axial, points 8.1
6.9
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 12
8.2
Strength to Weight: Bending, points 13
10
Thermal Diffusivity, mm2/s 7.3
23
Thermal Shock Resistance, points 13
9.1

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.2
0 to 0.25
Copper (Cu), % 64 to 67
78 to 82
Iron (Fe), % 0 to 1.5
0 to 0.4
Lead (Pb), % 1.0 to 2.5
2.0 to 3.0
Nickel (Ni), % 24 to 27
0 to 0.8
Phosphorus (P), % 0 to 0.050
0 to 1.5
Silicon (Si), % 0 to 0.15
0 to 0.0050
Sulfur (S), % 0 to 0.080
0 to 0.080
Tin (Sn), % 4.0 to 5.5
4.0 to 6.0
Zinc (Zn), % 1.0 to 4.0
10 to 16
Residuals, % 0
0 to 0.7