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C79600 Nickel Silver vs. C67400 Bronze

Both C79600 nickel silver and C67400 bronze are copper alloys. They have 83% of their average alloy composition in common.

For each property being compared, the top bar is C79600 nickel silver and the bottom bar is C67400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 15
22 to 28
Poisson's Ratio 0.3
0.31
Rockwell B Hardness 70
78 to 85
Shear Modulus, GPa 43
41
Shear Strength, MPa 290
310 to 350
Tensile Strength: Ultimate (UTS), MPa 480
480 to 610
Tensile Strength: Yield (Proof), MPa 300
250 to 370

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 130
130
Melting Completion (Liquidus), °C 930
890
Melting Onset (Solidus), °C 880
870
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 36
100
Thermal Expansion, µm/m-K 21
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
23
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
26

Otherwise Unclassified Properties

Base Metal Price, % relative 25
23
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.5
2.8
Embodied Energy, MJ/kg 57
48
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 400
300 to 660
Stiffness to Weight: Axial, points 7.8
7.5
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 17
17 to 22
Strength to Weight: Bending, points 17
17 to 20
Thermal Diffusivity, mm2/s 12
32
Thermal Shock Resistance, points 15
16 to 20

Alloy Composition


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Aluminum (Al), % 0
0.5 to 2.0
Copper (Cu), % 43.5 to 46.5
57 to 60
Iron (Fe), % 0
0 to 0.35
Lead (Pb), % 0.8 to 1.2
0 to 0.5
Manganese (Mn), % 1.5 to 2.5
2.0 to 3.5
Nickel (Ni), % 9.0 to 11
0 to 0.25
Silicon (Si), % 0
0.5 to 1.5
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 38.3 to 45.2
31.1 to 40
Residuals, % 0 to 0.5
0 to 0.5