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C91000 Bronze vs. C97800 Nickel Silver

Both C91000 bronze and C97800 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 72% of their average alloy composition in common. There are 28 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 C91000 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, % 7.0
10
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 39
48
Tensile Strength: Ultimate (UTS), MPa 230
370
Tensile Strength: Yield (Proof), MPa 150
170

Thermal Properties

Latent Heat of Fusion, J/g 180
220
Maximum Temperature: Mechanical, °C 160
230
Melting Completion (Liquidus), °C 960
1180
Melting Onset (Solidus), °C 820
1140
Specific Heat Capacity, J/kg-K 360
390
Thermal Conductivity, W/m-K 64
25
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
4.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.4
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 37
40
Density, g/cm3 8.6
8.8
Embodied Carbon, kg CO2/kg material 4.1
5.1
Embodied Energy, MJ/kg 67
76
Embodied Water, L/kg 420
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
31
Resilience: Unit (Modulus of Resilience), kJ/m3 100
120
Stiffness to Weight: Axial, points 6.8
8.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.5
12
Strength to Weight: Bending, points 9.7
13
Thermal Diffusivity, mm2/s 20
7.3
Thermal Shock Resistance, points 8.8
13

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.2
0 to 0.2
Copper (Cu), % 84 to 86
64 to 67
Iron (Fe), % 0 to 0.1
0 to 1.5
Lead (Pb), % 0 to 0.2
1.0 to 2.5
Nickel (Ni), % 0 to 0.8
24 to 27
Phosphorus (P), % 0 to 1.5
0 to 0.050
Silicon (Si), % 0 to 0.0050
0 to 0.15
Sulfur (S), % 0 to 0.050
0 to 0.080
Tin (Sn), % 14 to 16
4.0 to 5.5
Zinc (Zn), % 0 to 1.5
1.0 to 4.0
Residuals, % 0
0 to 0.4