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C73500 Nickel Silver vs. C84400 Valve Metal

Both C73500 nickel silver and C84400 valve metal are copper alloys. They have 81% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C73500 nickel silver and the bottom bar is C84400 valve metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
100
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 47
39
Tensile Strength: Ultimate (UTS), MPa 380 to 580
230

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 220
160
Melting Completion (Liquidus), °C 1140
1000
Melting Onset (Solidus), °C 1090
840
Specific Heat Capacity, J/kg-K 400
370
Thermal Conductivity, W/m-K 36
72
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.5
16
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
17

Otherwise Unclassified Properties

Base Metal Price, % relative 35
29
Density, g/cm3 8.7
8.8
Embodied Carbon, kg CO2/kg material 4.0
2.8
Embodied Energy, MJ/kg 61
46
Embodied Water, L/kg 300
340

Common Calculations

Stiffness to Weight: Axial, points 8.0
6.6
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 12 to 19
7.2
Strength to Weight: Bending, points 13 to 18
9.4
Thermal Diffusivity, mm2/s 10
22
Thermal Shock Resistance, points 13 to 19
8.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 70.5 to 73.5
78 to 82
Iron (Fe), % 0 to 0.25
0 to 0.4
Lead (Pb), % 0 to 0.1
6.0 to 8.0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 16.5 to 19.5
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
2.3 to 3.5
Zinc (Zn), % 5.7 to 13
7.0 to 10
Residuals, % 0
0 to 0.7