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C17500 Copper vs. C75400 Nickel Silver

Both C17500 copper and C75400 nickel silver are copper alloys. They have 65% of their average alloy composition in common. There are 30 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 C17500 copper and the bottom bar is C75400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 6.0 to 30
2.0 to 43
Poisson's Ratio 0.34
0.32
Rockwell B Hardness 38 to 99
60 to 90
Shear Modulus, GPa 45
46
Shear Strength, MPa 200 to 520
250 to 370
Tensile Strength: Ultimate (UTS), MPa 310 to 860
370 to 630
Tensile Strength: Yield (Proof), MPa 170 to 760
130 to 590

Thermal Properties

Latent Heat of Fusion, J/g 220
200
Maximum Temperature: Mechanical, °C 220
190
Melting Completion (Liquidus), °C 1060
1080
Melting Onset (Solidus), °C 1020
1040
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 200
36
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24 to 53
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 24 to 54
7.4

Otherwise Unclassified Properties

Base Metal Price, % relative 60
32
Density, g/cm3 8.9
8.5
Embodied Carbon, kg CO2/kg material 4.7
3.8
Embodied Energy, MJ/kg 73
59
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 120
12 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 2390
75 to 1450
Stiffness to Weight: Axial, points 7.5
7.9
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 9.7 to 27
12 to 21
Strength to Weight: Bending, points 11 to 23
13 to 19
Thermal Diffusivity, mm2/s 59
11
Thermal Shock Resistance, points 11 to 29
12 to 21

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0
Beryllium (Be), % 0.4 to 0.7
0
Cobalt (Co), % 2.4 to 2.7
0
Copper (Cu), % 95.6 to 97.2
63.5 to 66.5
Iron (Fe), % 0 to 0.1
0 to 0.25
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
14 to 16
Silicon (Si), % 0 to 0.2
0
Zinc (Zn), % 0
16.2 to 22.5
Residuals, % 0 to 0.5
0 to 0.5