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C35600 Brass vs. C75200 Nickel Silver

Both C35600 brass and C75200 nickel silver are copper alloys. They have 78% of their average alloy composition in common.

For each property being compared, the top bar is C35600 brass and the bottom bar is C75200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Poisson's Ratio 0.31
0.32
Rockwell B Hardness 53 to 91
63 to 93
Rockwell Superficial 30T Hardness 52 to 78
58 to 78
Shear Modulus, GPa 39
47
Tensile Strength: Ultimate (UTS), MPa 340 to 650
400 to 660

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 900
1110
Melting Onset (Solidus), °C 890
1070
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 120
33
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 29
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
33
Density, g/cm3 8.1
8.5
Embodied Carbon, kg CO2/kg material 2.6
4.1
Embodied Energy, MJ/kg 45
62
Embodied Water, L/kg 320
300

Common Calculations

Stiffness to Weight: Axial, points 7.0
8.0
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 11 to 22
13 to 21
Strength to Weight: Bending, points 13 to 21
14 to 20
Thermal Diffusivity, mm2/s 38
9.8
Thermal Shock Resistance, points 11 to 22
13 to 22

Alloy Composition


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Copper (Cu), % 60 to 63
63.5 to 66.5
Iron (Fe), % 0 to 0.1
0 to 0.25
Lead (Pb), % 2.0 to 3.0
0 to 0.050
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
16.5 to 19.5
Zinc (Zn), % 33.4 to 38
12.7 to 20
Residuals, % 0 to 0.5
0 to 0.5

Comparable Variants