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C87400 Brass vs. C97400 Nickel Silver

Both C87400 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. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C87400 brass and the bottom bar is C97400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 21
20
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 41
44
Tensile Strength: Ultimate (UTS), MPa 390
260
Tensile Strength: Yield (Proof), MPa 160
120

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 920
1100
Melting Onset (Solidus), °C 820
1070
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 28
27
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 27
33
Density, g/cm3 8.3
8.6
Embodied Carbon, kg CO2/kg material 2.7
4.1
Embodied Energy, MJ/kg 44
64
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
43
Resilience: Unit (Modulus of Resilience), kJ/m3 120
59
Stiffness to Weight: Axial, points 7.4
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13
8.5
Strength to Weight: Bending, points 14
11
Thermal Diffusivity, mm2/s 8.3
8.3
Thermal Shock Resistance, points 14
8.8

Alloy Composition

Aluminum (Al), % 0 to 0.8
0
Copper (Cu), % 79 to 85.5
58 to 61
Iron (Fe), % 0
0 to 1.5
Lead (Pb), % 0 to 1.0
4.5 to 5.5
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
15.5 to 17
Silicon (Si), % 2.5 to 4.0
0
Tin (Sn), % 0
2.5 to 3.5
Zinc (Zn), % 12 to 16
10 to 19.5
Residuals, % 0
0 to 1.0