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C84000 Brass vs. C97400 Nickel Silver

Both C84000 brass and C97400 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 C84000 brass and the bottom bar is C97400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
70
Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 27
20
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
44
Tensile Strength: Ultimate (UTS), MPa 250
260
Tensile Strength: Yield (Proof), MPa 140
120

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 1040
1100
Melting Onset (Solidus), °C 940
1070
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 72
27
Thermal Expansion, µm/m-K 18
18

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
33
Density, g/cm3 8.6
8.6
Embodied Carbon, kg CO2/kg material 3.0
4.1
Embodied Energy, MJ/kg 49
64
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58
43
Resilience: Unit (Modulus of Resilience), kJ/m3 83
59
Stiffness to Weight: Axial, points 7.2
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 8.2
8.5
Strength to Weight: Bending, points 10
11
Thermal Diffusivity, mm2/s 22
8.3
Thermal Shock Resistance, points 9.0
8.8

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.020
0
Boron (B), % 0 to 0.1
0
Copper (Cu), % 82 to 89
58 to 61
Iron (Fe), % 0 to 0.4
0 to 1.5
Lead (Pb), % 0 to 0.090
4.5 to 5.5
Manganese (Mn), % 0 to 0.010
0 to 0.5
Nickel (Ni), % 0.5 to 2.0
15.5 to 17
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0.1 to 0.65
0
Tin (Sn), % 2.0 to 4.0
2.5 to 3.5
Zinc (Zn), % 5.0 to 14
10 to 19.5
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0 to 0.7
0 to 1.0