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C77400 Nickel Silver vs. C72800 Copper-nickel

Both C77400 nickel silver and C72800 copper-nickel are copper alloys. They have 56% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C77400 nickel silver and the bottom bar is C72800 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 25
3.9 to 23
Poisson's Ratio 0.3
0.34
Shear Modulus, GPa 42
44
Shear Strength, MPa 360
330 to 740
Tensile Strength: Ultimate (UTS), MPa 570
520 to 1270
Tensile Strength: Yield (Proof), MPa 250
250 to 1210

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 130
200
Melting Completion (Liquidus), °C 810
1080
Melting Onset (Solidus), °C 770
920
Specific Heat Capacity, J/kg-K 390
380
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
11
Electrical Conductivity: Equal Weight (Specific), % IACS 31
11

Otherwise Unclassified Properties

Base Metal Price, % relative 25
38
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 3.5
4.4
Embodied Energy, MJ/kg 57
68
Embodied Water, L/kg 320
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
37 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 290
260 to 5650
Stiffness to Weight: Axial, points 7.7
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 20
17 to 40
Strength to Weight: Bending, points 19
16 to 30
Thermal Shock Resistance, points 18
19 to 45

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0
0 to 0.020
Bismuth (Bi), % 0
0 to 0.0010
Boron (B), % 0
0 to 0.0010
Copper (Cu), % 43 to 47
78.3 to 82.8
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0 to 0.2
0 to 0.0050
Magnesium (Mg), % 0
0.0050 to 0.15
Manganese (Mn), % 0
0.050 to 0.3
Nickel (Ni), % 9.0 to 11
9.5 to 10.5
Niobium (Nb), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.0050
Silicon (Si), % 0
0 to 0.050
Sulfur (S), % 0
0 to 0.0025
Tin (Sn), % 0
7.5 to 8.5
Titanium (Ti), % 0
0 to 0.010
Zinc (Zn), % 41.3 to 48
0 to 1.0
Residuals, % 0
0 to 0.3