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C74500 Nickel Silver vs. C82800 Copper

Both C74500 nickel silver and C82800 copper are copper alloys. They have 66% of their average alloy composition in common. There are 28 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 C74500 nickel silver and the bottom bar is C82800 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 3.0 to 24
1.0 to 20
Poisson's Ratio 0.32
0.33
Rockwell B Hardness 66 to 94
45 to 85
Shear Modulus, GPa 44
46
Tensile Strength: Ultimate (UTS), MPa 390 to 700
670 to 1140
Tensile Strength: Yield (Proof), MPa 380 to 600
380 to 1000

Thermal Properties

Latent Heat of Fusion, J/g 190
240
Maximum Temperature: Mechanical, °C 170
310
Melting Completion (Liquidus), °C 1020
930
Melting Onset (Solidus), °C 970
890
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 45
120
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
18
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
19

Otherwise Unclassified Properties

Density, g/cm3 8.3
8.7
Embodied Carbon, kg CO2/kg material 3.4
12
Embodied Energy, MJ/kg 54
190
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 160
11 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 620 to 1540
590 to 4080
Stiffness to Weight: Axial, points 7.7
7.8
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13 to 23
21 to 36
Strength to Weight: Bending, points 14 to 21
20 to 28
Thermal Diffusivity, mm2/s 14
36
Thermal Shock Resistance, points 13 to 23
23 to 39

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
2.5 to 2.9
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
0.15 to 0.7
Copper (Cu), % 63.5 to 66.5
94.6 to 97.2
Iron (Fe), % 0 to 0.25
0 to 0.25
Lead (Pb), % 0 to 0.1
0 to 0.020
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 9.0 to 11
0 to 0.2
Silicon (Si), % 0
0.2 to 0.35
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Zinc (Zn), % 21.2 to 27.5
0 to 0.1
Residuals, % 0 to 0.5
0 to 0.5