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C18400 Copper vs. C97400 Nickel Silver

Both C18400 copper and C97400 nickel silver are copper alloys. They have 60% 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 C18400 copper and the bottom bar is C97400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 13 to 50
20
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
44
Tensile Strength: Ultimate (UTS), MPa 270 to 490
260
Tensile Strength: Yield (Proof), MPa 110 to 480
120

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 1080
1100
Melting Onset (Solidus), °C 1070
1070
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 320
27
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 81
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
33
Density, g/cm3 8.9
8.6
Embodied Carbon, kg CO2/kg material 2.6
4.1
Embodied Energy, MJ/kg 41
64
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63 to 120
43
Resilience: Unit (Modulus of Resilience), kJ/m3 54 to 980
59
Stiffness to Weight: Axial, points 7.3
7.5
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.5 to 15
8.5
Strength to Weight: Bending, points 10 to 16
11
Thermal Diffusivity, mm2/s 94
8.3
Thermal Shock Resistance, points 9.6 to 17
8.8

Alloy Composition

Arsenic (As), % 0 to 0.0050
0
Calcium (Ca), % 0 to 0.0050
0
Chromium (Cr), % 0.4 to 1.2
0
Copper (Cu), % 97.2 to 99.6
58 to 61
Iron (Fe), % 0 to 0.15
0 to 1.5
Lead (Pb), % 0
4.5 to 5.5
Lithium (Li), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
15.5 to 17
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0
2.5 to 3.5
Zinc (Zn), % 0 to 0.7
10 to 19.5
Residuals, % 0
0 to 1.0