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C73500 Nickel Silver vs. C27400 Brass

Both C73500 nickel silver and C27400 brass are copper alloys. They have 72% of their average alloy composition in common.

For each property being compared, the top bar is C73500 nickel silver and the bottom bar is C27400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
110
Poisson's Ratio 0.33
0.31
Rockwell B Hardness 73 to 88
53 to 91
Rockwell Superficial 30T Hardness 65 to 75
52 to 78
Shear Modulus, GPa 47
40
Tensile Strength: Ultimate (UTS), MPa 380 to 580
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 220
120
Melting Completion (Liquidus), °C 1140
920
Melting Onset (Solidus), °C 1090
870
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 36
120
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.5
28
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
31

Otherwise Unclassified Properties

Base Metal Price, % relative 35
23
Density, g/cm3 8.7
8.0
Embodied Carbon, kg CO2/kg material 4.0
2.7
Embodied Energy, MJ/kg 61
45
Embodied Water, L/kg 300
320

Common Calculations

Stiffness to Weight: Axial, points 8.0
7.2
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 12 to 19
13 to 23
Strength to Weight: Bending, points 13 to 18
14 to 21
Thermal Diffusivity, mm2/s 10
37
Thermal Shock Resistance, points 13 to 19
12 to 22

Alloy Composition


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Copper (Cu), % 70.5 to 73.5
61 to 64
Iron (Fe), % 0 to 0.25
0 to 0.1
Lead (Pb), % 0 to 0.1
0 to 0.050
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 16.5 to 19.5
0
Zinc (Zn), % 5.7 to 13
35.6 to 39
Residuals, % 0 to 0.5
0 to 0.3

Comparable Variants