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C74500 Nickel Silver vs. C68700 Brass

Both C74500 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 (5, in this case) are not shown.

For each property being compared, the top bar is C74500 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 44
41
Tensile Strength: Ultimate (UTS), MPa 390 to 700
390
Tensile Strength: Yield (Proof), MPa 380 to 600
140

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 1020
970
Melting Onset (Solidus), °C 970
930
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 45
100
Thermal Expansion, µm/m-K 19
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
23
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
25

Otherwise Unclassified Properties

Base Metal Price, % relative 29
26
Density, g/cm3 8.3
8.3
Embodied Carbon, kg CO2/kg material 3.4
2.8
Embodied Energy, MJ/kg 54
46
Embodied Water, L/kg 310
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 620 to 1540
90
Stiffness to Weight: Axial, points 7.7
7.3
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13 to 23
13
Strength to Weight: Bending, points 14 to 21
14
Thermal Diffusivity, mm2/s 14
30
Thermal Shock Resistance, points 13 to 23
13

Alloy Composition


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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 0.1
0 to 0.070
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 9.0 to 11
0
Zinc (Zn), % 21.2 to 27.5
17.8 to 22.2
Residuals, % 0 to 0.5
0 to 0.5