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C77400 Nickel Silver vs. C77600 Nickel Silver

Both C77400 nickel silver and C77600 nickel silver are copper alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is C77400 nickel silver and the bottom bar is C77600 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
30
Poisson's Ratio 0.3
0.3
Rockwell B Hardness 73
83
Shear Modulus, GPa 42
43
Shear Strength, MPa 360
410
Tensile Strength: Ultimate (UTS), MPa 570
630
Tensile Strength: Yield (Proof), MPa 250
320

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 130
140
Melting Completion (Liquidus), °C 810
830
Melting Onset (Solidus), °C 770
790
Specific Heat Capacity, J/kg-K 390
390
Thermal Expansion, µm/m-K 21
20

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 25
27
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.5
3.7
Embodied Energy, MJ/kg 57
60
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
160
Resilience: Unit (Modulus of Resilience), kJ/m3 290
470
Stiffness to Weight: Axial, points 7.7
7.9
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 20
22
Strength to Weight: Bending, points 19
21
Thermal Shock Resistance, points 18
20

Alloy Composition

Copper (Cu), % 43 to 47
42 to 45
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0 to 0.2
0 to 0.25
Manganese (Mn), % 0
0 to 0.25
Nickel (Ni), % 9.0 to 11
12 to 14
Tin (Sn), % 0
0 to 0.15
Zinc (Zn), % 41.3 to 48
39.7 to 46
Residuals, % 0
0 to 0.5