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C42500 Brass vs. C77100 Nickel Silver

Both C42500 brass and C77100 nickel silver are copper alloys. They have 63% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C42500 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 310 to 630
600
Tensile Strength: Yield (Proof), MPa 120 to 590
540

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 180
150
Melting Completion (Liquidus), °C 1030
990
Melting Onset (Solidus), °C 1010
950
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 120
40
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 29
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 30
27
Density, g/cm3 8.7
8.1
Embodied Carbon, kg CO2/kg material 2.8
3.5
Embodied Energy, MJ/kg 46
56
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 64 to 1570
1280
Stiffness to Weight: Axial, points 7.1
7.8
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 9.9 to 20
21
Strength to Weight: Bending, points 12 to 19
20
Thermal Diffusivity, mm2/s 36
13
Thermal Shock Resistance, points 11 to 22
19

Alloy Composition

Copper (Cu), % 87 to 90
52 to 56
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.050
0 to 0.030
Manganese (Mn), % 0
0 to 0.9
Nickel (Ni), % 0
9.0 to 12
Phosphorus (P), % 0 to 0.35
0
Tin (Sn), % 1.5 to 3.0
0
Zinc (Zn), % 6.1 to 11.5
30.6 to 39
Residuals, % 0
0 to 0.5