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C82000 Copper vs. C77400 Nickel Silver

Both C82000 copper and C77400 nickel silver are copper alloys. They have 45% of their average alloy composition in common. There are 27 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 C82000 copper and the bottom bar is C77400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 8.0 to 20
25
Poisson's Ratio 0.34
0.3
Rockwell B Hardness 55 to 95
73
Shear Modulus, GPa 45
42
Tensile Strength: Ultimate (UTS), MPa 350 to 690
570
Tensile Strength: Yield (Proof), MPa 140 to 520
250

Thermal Properties

Latent Heat of Fusion, J/g 220
170
Maximum Temperature: Mechanical, °C 220
130
Melting Completion (Liquidus), °C 1090
810
Melting Onset (Solidus), °C 970
770
Specific Heat Capacity, J/kg-K 390
390
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
27
Electrical Conductivity: Equal Weight (Specific), % IACS 46
31

Otherwise Unclassified Properties

Base Metal Price, % relative 60
25
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 5.0
3.5
Embodied Energy, MJ/kg 77
57
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51 to 55
120
Resilience: Unit (Modulus of Resilience), kJ/m3 80 to 1120
290
Stiffness to Weight: Axial, points 7.5
7.7
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 11 to 22
20
Strength to Weight: Bending, points 12 to 20
19
Thermal Shock Resistance, points 12 to 24
18

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Beryllium (Be), % 0.45 to 0.8
0
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 2.2 to 2.7
0
Copper (Cu), % 95.2 to 97.4
43 to 47
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.020
0 to 0.2
Nickel (Ni), % 0 to 0.2
9.0 to 11
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
41.3 to 48
Residuals, % 0
0 to 0.5