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C69400 Brass vs. C77100 Nickel Silver

Both C69400 brass and C77100 nickel silver are copper alloys. They have 68% of their average alloy composition in common. There are 26 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 C69400 brass and the bottom bar is C77100 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
45
Tensile Strength: Ultimate (UTS), MPa 570
600
Tensile Strength: Yield (Proof), MPa 270
540

Thermal Properties

Latent Heat of Fusion, J/g 260
180
Maximum Temperature: Mechanical, °C 170
150
Melting Completion (Liquidus), °C 920
990
Melting Onset (Solidus), °C 820
950
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 26
40
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 27
27
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 2.7
3.5
Embodied Energy, MJ/kg 44
56
Embodied Water, L/kg 300
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 340
1280
Stiffness to Weight: Axial, points 7.4
7.8
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 19
21
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 7.7
13
Thermal Shock Resistance, points 20
19

Alloy Composition

Copper (Cu), % 80 to 83
52 to 56
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 0 to 0.3
0 to 0.030
Manganese (Mn), % 0
0 to 0.9
Nickel (Ni), % 0
9.0 to 12
Silicon (Si), % 3.5 to 4.5
0
Zinc (Zn), % 11.5 to 16.5
30.6 to 39
Residuals, % 0
0 to 0.5