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C75700 Nickel Silver vs. C17500 Copper

Both C75700 nickel silver and C17500 copper are copper alloys. They have 65% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C75700 nickel silver and the bottom bar is C17500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 3.2 to 22
6.0 to 30
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 45
45
Shear Strength, MPa 350 to 370
200 to 520
Tensile Strength: Ultimate (UTS), MPa 590 to 610
310 to 860
Tensile Strength: Yield (Proof), MPa 470 to 580
170 to 760

Thermal Properties

Latent Heat of Fusion, J/g 200
220
Maximum Temperature: Mechanical, °C 180
220
Melting Completion (Liquidus), °C 1040
1060
Melting Onset (Solidus), °C 990
1020
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 40
200
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
24 to 53
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
24 to 54

Otherwise Unclassified Properties

Base Metal Price, % relative 30
60
Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 3.6
4.7
Embodied Energy, MJ/kg 56
73
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
30 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 930 to 1410
120 to 2390
Stiffness to Weight: Axial, points 7.8
7.5
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 19 to 20
9.7 to 27
Strength to Weight: Bending, points 19
11 to 23
Thermal Diffusivity, mm2/s 12
59
Thermal Shock Resistance, points 22 to 23
11 to 29

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Beryllium (Be), % 0
0.4 to 0.7
Cobalt (Co), % 0
2.4 to 2.7
Copper (Cu), % 63.5 to 66.5
95.6 to 97.2
Iron (Fe), % 0 to 0.25
0 to 0.1
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 11 to 13
0
Silicon (Si), % 0
0 to 0.2
Zinc (Zn), % 19.2 to 25.5
0
Residuals, % 0 to 0.5
0 to 0.5