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C75700 Nickel Silver vs. C61900 Bronze

Both C75700 nickel silver and C61900 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 C61900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 3.2 to 22
21 to 32
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 45
43
Shear Strength, MPa 350 to 370
370 to 410
Tensile Strength: Ultimate (UTS), MPa 590 to 610
570 to 650
Tensile Strength: Yield (Proof), MPa 470 to 580
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 200
230
Maximum Temperature: Mechanical, °C 180
220
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
79
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
11

Otherwise Unclassified Properties

Base Metal Price, % relative 30
28
Density, g/cm3 8.4
8.3
Embodied Carbon, kg CO2/kg material 3.6
3.1
Embodied Energy, MJ/kg 56
51
Embodied Water, L/kg 310
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
110 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 930 to 1410
230 to 430
Stiffness to Weight: Axial, points 7.8
7.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 19 to 20
19 to 22
Strength to Weight: Bending, points 19
18 to 20
Thermal Diffusivity, mm2/s 12
22
Thermal Shock Resistance, points 22 to 23
20 to 23

Alloy Composition

Aluminum (Al), % 0
8.5 to 10
Copper (Cu), % 63.5 to 66.5
83.6 to 88.5
Iron (Fe), % 0 to 0.25
3.0 to 4.5
Lead (Pb), % 0 to 0.050
0 to 0.020
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 11 to 13
0
Tin (Sn), % 0
0 to 0.6
Zinc (Zn), % 19.2 to 25.5
0 to 0.8
Residuals, % 0 to 0.5
0 to 0.5