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C84200 Brass vs. C97300 Nickel Silver

Both C84200 brass and C97300 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 74% of their average alloy composition in common.

For each property being compared, the top bar is C84200 brass and the bottom bar is C97300 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 15
9.0
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 250
230
Tensile Strength: Yield (Proof), MPa 120
110

Thermal Properties

Latent Heat of Fusion, J/g 180
180
Maximum Temperature: Mechanical, °C 150
150
Melting Completion (Liquidus), °C 990
1040
Melting Onset (Solidus), °C 840
1010
Specific Heat Capacity, J/kg-K 370
370
Thermal Conductivity, W/m-K 72
29
Thermal Expansion, µm/m-K 19
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 17
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 30
30
Density, g/cm3 8.5
8.6
Embodied Carbon, kg CO2/kg material 3.1
3.7
Embodied Energy, MJ/kg 51
59
Embodied Water, L/kg 350
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
18
Resilience: Unit (Modulus of Resilience), kJ/m3 72
59
Stiffness to Weight: Axial, points 6.9
7.0
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.2
7.6
Strength to Weight: Bending, points 10
9.8
Thermal Diffusivity, mm2/s 23
9.3
Thermal Shock Resistance, points 9.1
8.0

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.25
0 to 0.35
Copper (Cu), % 78 to 82
53 to 58
Iron (Fe), % 0 to 0.4
0 to 1.5
Lead (Pb), % 2.0 to 3.0
8.0 to 11
Nickel (Ni), % 0 to 0.8
11 to 14
Phosphorus (P), % 0 to 1.5
0 to 0.050
Silicon (Si), % 0 to 0.0050
0 to 0.15
Sulfur (S), % 0 to 0.080
0 to 0.080
Tin (Sn), % 4.0 to 6.0
1.5 to 3.0
Zinc (Zn), % 10 to 16
17 to 25
Residuals, % 0
0 to 1.0