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C37700 Brass vs. C76200 Nickel Silver

Both C37700 brass and C76200 nickel silver are copper alloys. They have 88% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C37700 brass and the bottom bar is C76200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Poisson's Ratio 0.31
0.31
Rockwell B Hardness 45
28 to 99
Shear Modulus, GPa 39
44
Tensile Strength: Ultimate (UTS), MPa 400
390 to 790

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 890
1030
Melting Onset (Solidus), °C 880
980
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 120
45
Thermal Expansion, µm/m-K 21
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 30
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 23
29
Density, g/cm3 8.1
8.2
Embodied Carbon, kg CO2/kg material 2.6
3.6
Embodied Energy, MJ/kg 45
57
Embodied Water, L/kg 320
310

Common Calculations

Stiffness to Weight: Axial, points 7.1
7.8
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 14
13 to 27
Strength to Weight: Bending, points 15
14 to 23
Thermal Diffusivity, mm2/s 39
14
Thermal Shock Resistance, points 13
13 to 26

Alloy Composition

Copper (Cu), % 58 to 61
57 to 61
Iron (Fe), % 0 to 0.3
0 to 0.25
Lead (Pb), % 1.5 to 2.5
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
11 to 13.5
Zinc (Zn), % 35.7 to 40.5
24.2 to 32
Residuals, % 0
0 to 0.5