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C74400 Nickel Silver vs. CR007A Copper

Both C74400 nickel silver and CR007A copper are copper alloys. They have 64% 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 C74400 nickel silver and the bottom bar is CR007A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 43
15
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 39
43
Tensile Strength: Ultimate (UTS), MPa 350
230
Tensile Strength: Yield (Proof), MPa 120
140

Thermal Properties

Latent Heat of Fusion, J/g 180
210
Maximum Temperature: Mechanical, °C 140
200
Melting Completion (Liquidus), °C 930
1090
Melting Onset (Solidus), °C 910
1040
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
380
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
100
Electrical Conductivity: Equal Weight (Specific), % IACS 29
100

Otherwise Unclassified Properties

Base Metal Price, % relative 25
31
Density, g/cm3 8.2
9.0
Embodied Carbon, kg CO2/kg material 2.9
2.6
Embodied Energy, MJ/kg 48
41
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
31
Resilience: Unit (Modulus of Resilience), kJ/m3 63
83
Stiffness to Weight: Axial, points 7.4
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 12
7.1
Strength to Weight: Bending, points 14
9.3
Thermal Diffusivity, mm2/s 37
110
Thermal Shock Resistance, points 12
8.1

Alloy Composition


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Antimony (Sb), % 0
0 to 0.00040
Arsenic (As), % 0
0 to 0.00050
Bismuth (Bi), % 0
0 to 0.00020
Copper (Cu), % 62 to 66
99.994 to 100
Iron (Fe), % 0 to 0.050
0 to 0.0010
Lead (Pb), % 0 to 0.050
0 to 0.00050
Nickel (Ni), % 2.0 to 4.0
0
Selenium (Se), % 0
0 to 0.00020
Silver (Ag), % 0
0 to 0.0025
Sulfur (S), % 0
0 to 0.0015
Tellurium (Te), % 0
0 to 0.00020
Zinc (Zn), % 29.6 to 36
0
Residuals, % 0 to 0.3
0