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C75700 Nickel Silver vs. C68700 Brass

Both C75700 nickel silver and C68700 brass are copper alloys. They have 85% 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 C75700 nickel silver and the bottom bar is C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 45
41
Tensile Strength: Ultimate (UTS), MPa 590 to 610
390
Tensile Strength: Yield (Proof), MPa 470 to 580
140

Thermal Properties

Latent Heat of Fusion, J/g 200
190
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 1040
970
Melting Onset (Solidus), °C 990
930
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 40
100
Thermal Expansion, µm/m-K 16
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
23
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
25

Otherwise Unclassified Properties

Base Metal Price, % relative 30
26
Density, g/cm3 8.4
8.3
Embodied Carbon, kg CO2/kg material 3.6
2.8
Embodied Energy, MJ/kg 56
46
Embodied Water, L/kg 310
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 930 to 1410
90
Stiffness to Weight: Axial, points 7.8
7.3
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 19 to 20
13
Strength to Weight: Bending, points 19
14
Thermal Diffusivity, mm2/s 12
30
Thermal Shock Resistance, points 22 to 23
13

Alloy Composition

Aluminum (Al), % 0
1.8 to 2.5
Arsenic (As), % 0
0.020 to 0.1
Copper (Cu), % 63.5 to 66.5
76 to 79
Iron (Fe), % 0 to 0.25
0 to 0.060
Lead (Pb), % 0 to 0.050
0 to 0.070
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 11 to 13
0
Zinc (Zn), % 19.2 to 25.5
17.8 to 22.2
Residuals, % 0 to 0.5
0 to 0.5