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C86100 Bronze vs. C97800 Nickel Silver

Both C86100 bronze and C97800 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 69% of their average alloy composition in common.

For each property being compared, the top bar is C86100 bronze and the bottom bar is C97800 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Elongation at Break, % 20
10
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 43
48
Tensile Strength: Ultimate (UTS), MPa 660
370
Tensile Strength: Yield (Proof), MPa 350
170

Thermal Properties

Latent Heat of Fusion, J/g 200
220
Maximum Temperature: Mechanical, °C 170
230
Melting Completion (Liquidus), °C 940
1180
Melting Onset (Solidus), °C 900
1140
Specific Heat Capacity, J/kg-K 420
390
Thermal Conductivity, W/m-K 35
25
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
4.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 24
40
Density, g/cm3 8.0
8.8
Embodied Carbon, kg CO2/kg material 2.9
5.1
Embodied Energy, MJ/kg 49
76
Embodied Water, L/kg 350
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
31
Resilience: Unit (Modulus of Resilience), kJ/m3 530
120
Stiffness to Weight: Axial, points 7.8
8.1
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 23
12
Strength to Weight: Bending, points 21
13
Thermal Diffusivity, mm2/s 10
7.3
Thermal Shock Resistance, points 21
13

Alloy Composition

Aluminum (Al), % 4.5 to 5.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 66 to 68
64 to 67
Iron (Fe), % 2.0 to 4.0
0 to 1.5
Lead (Pb), % 0 to 0.1
1.0 to 2.5
Manganese (Mn), % 2.5 to 5.0
0
Nickel (Ni), % 0
24 to 27
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.15
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.1
4.0 to 5.5
Zinc (Zn), % 17.3 to 25
1.0 to 4.0
Residuals, % 0
0 to 0.4