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C97400 Nickel Silver vs. CR025A Copper

Both C97400 nickel silver and CR025A copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. 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 (1, in this case) are not shown.

For each property being compared, the top bar is C97400 nickel silver and the bottom bar is CR025A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 20
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 44
43
Tensile Strength: Ultimate (UTS), MPa 260
230
Tensile Strength: Yield (Proof), MPa 120
140

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 1100
1090
Melting Onset (Solidus), °C 1070
1040
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 27
370
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
99
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
99

Otherwise Unclassified Properties

Base Metal Price, % relative 33
31
Density, g/cm3 8.6
9.0
Embodied Carbon, kg CO2/kg material 4.1
2.6
Embodied Energy, MJ/kg 64
41
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43
31
Resilience: Unit (Modulus of Resilience), kJ/m3 59
83
Stiffness to Weight: Axial, points 7.5
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 8.5
7.1
Strength to Weight: Bending, points 11
9.3
Thermal Diffusivity, mm2/s 8.3
110
Thermal Shock Resistance, points 8.8
8.1

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 58 to 61
99.9 to 99.96
Iron (Fe), % 0 to 1.5
0
Lead (Pb), % 4.5 to 5.5
0 to 0.0050
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 15.5 to 17
0
Phosphorus (P), % 0
0.040 to 0.060
Silver (Ag), % 0
0 to 0.015
Tin (Sn), % 2.5 to 3.5
0
Zinc (Zn), % 10 to 19.5
0
Residuals, % 0 to 1.0
0