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C64200 Bronze vs. C75700 Nickel Silver

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

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

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

Common Calculations

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

Alloy Composition

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