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C97800 Nickel Silver vs. CR008A Copper

Both C97800 nickel silver and CR008A copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 66% of their average alloy composition in common.

For each property being compared, the top bar is C97800 nickel silver and the bottom bar is CR008A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
120
Elongation at Break, % 10
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 48
43
Tensile Strength: Ultimate (UTS), MPa 370
220
Tensile Strength: Yield (Proof), MPa 170
130

Thermal Properties

Latent Heat of Fusion, J/g 220
210
Maximum Temperature: Mechanical, °C 230
200
Melting Completion (Liquidus), °C 1180
1090
Melting Onset (Solidus), °C 1140
1040
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 25
380
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.0
100
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
100

Otherwise Unclassified Properties

Base Metal Price, % relative 40
31
Density, g/cm3 8.8
9.0
Embodied Carbon, kg CO2/kg material 5.1
2.6
Embodied Energy, MJ/kg 76
41
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
29
Resilience: Unit (Modulus of Resilience), kJ/m3 120
76
Stiffness to Weight: Axial, points 8.1
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 12
6.8
Strength to Weight: Bending, points 13
9.0
Thermal Diffusivity, mm2/s 7.3
110
Thermal Shock Resistance, points 13
7.8

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 64 to 67
99.95 to 100
Iron (Fe), % 0 to 1.5
0
Lead (Pb), % 1.0 to 2.5
0 to 0.0050
Nickel (Ni), % 24 to 27
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.15
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.0 to 5.5
0
Zinc (Zn), % 1.0 to 4.0
0
Residuals, % 0 to 0.4
0