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C75700 Nickel Silver vs. C63000 Bronze

Both C75700 nickel silver and C63000 bronze are copper alloys. They have 71% of their average alloy composition in common.

For each property being compared, the top bar is C75700 nickel silver and the bottom bar is C63000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 3.2 to 22
7.9 to 15
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 45
44
Shear Strength, MPa 350 to 370
400 to 470
Tensile Strength: Ultimate (UTS), MPa 590 to 610
660 to 790
Tensile Strength: Yield (Proof), MPa 470 to 580
330 to 390

Thermal Properties

Latent Heat of Fusion, J/g 200
230
Maximum Temperature: Mechanical, °C 180
230
Melting Completion (Liquidus), °C 1040
1050
Melting Onset (Solidus), °C 990
1040
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 40
39
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
7.6

Otherwise Unclassified Properties

Base Metal Price, % relative 30
29
Density, g/cm3 8.4
8.2
Embodied Carbon, kg CO2/kg material 3.6
3.5
Embodied Energy, MJ/kg 56
57
Embodied Water, L/kg 310
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
47 to 82
Resilience: Unit (Modulus of Resilience), kJ/m3 930 to 1410
470 to 640
Stiffness to Weight: Axial, points 7.8
7.9
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 19 to 20
22 to 26
Strength to Weight: Bending, points 19
20 to 23
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 22 to 23
23 to 27

Alloy Composition

Aluminum (Al), % 0
9.0 to 11
Copper (Cu), % 63.5 to 66.5
76.8 to 85
Iron (Fe), % 0 to 0.25
2.0 to 4.0
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.5
0 to 1.5
Nickel (Ni), % 11 to 13
4.0 to 5.5
Silicon (Si), % 0
0 to 0.25
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 19.2 to 25.5
0 to 0.3
Residuals, % 0 to 0.5
0 to 0.5