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C75700 Nickel Silver vs. C67400 Bronze

Both C75700 nickel silver and C67400 bronze are copper alloys. They have 82% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C75700 nickel silver and the bottom bar is C67400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 3.2 to 22
22 to 28
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 45
41
Shear Strength, MPa 350 to 370
310 to 350
Tensile Strength: Ultimate (UTS), MPa 590 to 610
480 to 610
Tensile Strength: Yield (Proof), MPa 470 to 580
250 to 370

Thermal Properties

Latent Heat of Fusion, J/g 200
190
Maximum Temperature: Mechanical, °C 180
130
Melting Completion (Liquidus), °C 1040
890
Melting Onset (Solidus), °C 990
870
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 40
100
Thermal Expansion, µm/m-K 16
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
23
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
26

Otherwise Unclassified Properties

Base Metal Price, % relative 30
23
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 3.6
2.8
Embodied Energy, MJ/kg 56
48
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 930 to 1410
300 to 660
Stiffness to Weight: Axial, points 7.8
7.5
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 19 to 20
17 to 22
Strength to Weight: Bending, points 19
17 to 20
Thermal Diffusivity, mm2/s 12
32
Thermal Shock Resistance, points 22 to 23
16 to 20

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.0
Copper (Cu), % 63.5 to 66.5
57 to 60
Iron (Fe), % 0 to 0.25
0 to 0.35
Lead (Pb), % 0 to 0.050
0 to 0.5
Manganese (Mn), % 0 to 0.5
2.0 to 3.5
Nickel (Ni), % 11 to 13
0 to 0.25
Silicon (Si), % 0
0.5 to 1.5
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 19.2 to 25.5
31.1 to 40
Residuals, % 0 to 0.5
0 to 0.5