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C77100 Nickel Silver vs. C44400 Brass

Both C77100 nickel silver and C44400 brass are copper alloys. They have 81% of their average alloy composition in common.

For each property being compared, the top bar is C77100 nickel silver and the bottom bar is C44400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 45
41
Tensile Strength: Ultimate (UTS), MPa 600
350
Tensile Strength: Yield (Proof), MPa 540
120

Thermal Properties

Latent Heat of Fusion, J/g 180
180
Maximum Temperature: Mechanical, °C 150
140
Melting Completion (Liquidus), °C 990
940
Melting Onset (Solidus), °C 950
900
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 40
110
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
25
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
27

Otherwise Unclassified Properties

Base Metal Price, % relative 27
26
Density, g/cm3 8.1
8.3
Embodied Carbon, kg CO2/kg material 3.5
2.8
Embodied Energy, MJ/kg 56
46
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 1280
65
Stiffness to Weight: Axial, points 7.8
7.2
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 21
12
Strength to Weight: Bending, points 20
13
Thermal Diffusivity, mm2/s 13
35
Thermal Shock Resistance, points 19
12

Alloy Composition

Antimony (Sb), % 0
0.020 to 0.1
Copper (Cu), % 52 to 56
70 to 73
Iron (Fe), % 0
0 to 0.060
Lead (Pb), % 0 to 0.030
0 to 0.070
Manganese (Mn), % 0 to 0.9
0
Nickel (Ni), % 9.0 to 12
0
Tin (Sn), % 0
0.9 to 1.2
Zinc (Zn), % 30.6 to 39
25.2 to 29.1
Residuals, % 0
0 to 0.4