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C75700 Nickel Silver vs. C64200 Bronze

Both C75700 nickel silver and C64200 bronze are copper alloys. They have 66% of their average alloy composition in common.

For each property being compared, the top bar is C75700 nickel silver and the bottom bar is C64200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 3.2 to 22
14 to 35
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 45
42
Shear Strength, MPa 350 to 370
330 to 390
Tensile Strength: Ultimate (UTS), MPa 590 to 610
540 to 640
Tensile Strength: Yield (Proof), MPa 470 to 580
230 to 320

Thermal Properties

Latent Heat of Fusion, J/g 200
250
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 1040
1000
Melting Onset (Solidus), °C 990
980
Specific Heat Capacity, J/kg-K 390
430
Thermal Conductivity, W/m-K 40
45
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 30
29
Density, g/cm3 8.4
8.3
Embodied Carbon, kg CO2/kg material 3.6
3.0
Embodied Energy, MJ/kg 56
50
Embodied Water, L/kg 310
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
73 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 930 to 1410
240 to 470
Stiffness to Weight: Axial, points 7.8
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 19 to 20
18 to 21
Strength to Weight: Bending, points 19
18 to 20
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 22 to 23
20 to 23

Alloy Composition

Aluminum (Al), % 0
6.3 to 7.6
Arsenic (As), % 0
0 to 0.15
Copper (Cu), % 63.5 to 66.5
88.2 to 92.2
Iron (Fe), % 0 to 0.25
0 to 0.3
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 11 to 13
0 to 0.25
Silicon (Si), % 0
1.5 to 2.2
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 19.2 to 25.5
0 to 0.5
Residuals, % 0 to 0.5
0 to 0.5