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C86700 Bronze vs. C77600 Nickel Silver

Both C86700 bronze and C77600 nickel silver are copper alloys. They have 79% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C86700 bronze and the bottom bar is C77600 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 17
30
Poisson's Ratio 0.31
0.3
Shear Modulus, GPa 41
43
Tensile Strength: Ultimate (UTS), MPa 630
630
Tensile Strength: Yield (Proof), MPa 250
320

Thermal Properties

Latent Heat of Fusion, J/g 180
180
Maximum Temperature: Mechanical, °C 130
140
Melting Completion (Liquidus), °C 880
830
Melting Onset (Solidus), °C 860
790
Specific Heat Capacity, J/kg-K 400
390
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
27
Electrical Conductivity: Equal Weight (Specific), % IACS 19
31

Otherwise Unclassified Properties

Base Metal Price, % relative 23
27
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.9
3.7
Embodied Energy, MJ/kg 49
60
Embodied Water, L/kg 340
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
160
Resilience: Unit (Modulus of Resilience), kJ/m3 290
470
Stiffness to Weight: Axial, points 7.5
7.9
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 22
22
Strength to Weight: Bending, points 21
21
Thermal Shock Resistance, points 21
20

Alloy Composition

Aluminum (Al), % 1.0 to 3.0
0
Copper (Cu), % 55 to 60
42 to 45
Iron (Fe), % 1.0 to 3.0
0 to 0.2
Lead (Pb), % 0.5 to 1.5
0 to 0.25
Manganese (Mn), % 1.0 to 3.5
0 to 0.25
Nickel (Ni), % 0 to 1.0
12 to 14
Tin (Sn), % 0 to 1.5
0 to 0.15
Zinc (Zn), % 30 to 38
39.7 to 46
Residuals, % 0
0 to 0.5