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C81500 Copper vs. C74500 Nickel Silver

Both C81500 copper and C74500 nickel silver are copper alloys. They have 65% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C81500 copper and the bottom bar is C74500 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 17
3.0 to 24
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
44
Tensile Strength: Ultimate (UTS), MPa 350
390 to 700
Tensile Strength: Yield (Proof), MPa 280
380 to 600

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1090
1020
Melting Onset (Solidus), °C 1080
970
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 320
45
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 83
9.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
29
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 2.6
3.4
Embodied Energy, MJ/kg 41
54
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
12 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 330
620 to 1540
Stiffness to Weight: Axial, points 7.3
7.7
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
13 to 23
Strength to Weight: Bending, points 12
14 to 21
Thermal Diffusivity, mm2/s 91
14
Thermal Shock Resistance, points 12
13 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
63.5 to 66.5
Iron (Fe), % 0 to 0.1
0 to 0.25
Lead (Pb), % 0 to 0.020
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
9.0 to 11
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
21.2 to 27.5
Residuals, % 0 to 0.5
0 to 0.5