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C68100 Brass vs. C79600 Nickel Silver

Both C68100 brass and C79600 nickel silver are copper alloys. They have 85% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C68100 brass and the bottom bar is C79600 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 29
15
Poisson's Ratio 0.3
0.3
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 380
480
Tensile Strength: Yield (Proof), MPa 140
300

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 120
130
Melting Completion (Liquidus), °C 890
930
Melting Onset (Solidus), °C 870
880
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 98
36
Thermal Expansion, µm/m-K 21
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 27
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 23
25
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.8
3.5
Embodied Energy, MJ/kg 47
57
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
63
Resilience: Unit (Modulus of Resilience), kJ/m3 94
400
Stiffness to Weight: Axial, points 7.3
7.8
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 13
17
Strength to Weight: Bending, points 15
17
Thermal Diffusivity, mm2/s 32
12
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Copper (Cu), % 56 to 60
43.5 to 46.5
Iron (Fe), % 0.25 to 1.3
0
Lead (Pb), % 0 to 0.050
0.8 to 1.2
Manganese (Mn), % 0.010 to 0.5
1.5 to 2.5
Nickel (Ni), % 0
9.0 to 11
Silicon (Si), % 0.040 to 0.15
0
Tin (Sn), % 0.75 to 1.1
0
Zinc (Zn), % 36.4 to 43
38.3 to 45.2
Residuals, % 0
0 to 0.5