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C91100 Bronze vs. C97400 Nickel Silver

Both C91100 bronze and C97400 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 63% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C91100 bronze and the bottom bar is C97400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 2.0
20
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 39
44
Tensile Strength: Ultimate (UTS), MPa 240
260
Tensile Strength: Yield (Proof), MPa 170
120

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 950
1100
Melting Onset (Solidus), °C 820
1070
Specific Heat Capacity, J/kg-K 360
380
Thermal Conductivity, W/m-K 63
27
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 38
33
Density, g/cm3 8.7
8.6
Embodied Carbon, kg CO2/kg material 4.2
4.1
Embodied Energy, MJ/kg 69
64
Embodied Water, L/kg 440
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
43
Resilience: Unit (Modulus of Resilience), kJ/m3 140
59
Stiffness to Weight: Axial, points 6.7
7.5
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.7
8.5
Strength to Weight: Bending, points 9.9
11
Thermal Diffusivity, mm2/s 20
8.3
Thermal Shock Resistance, points 9.1
8.8

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 82 to 85
58 to 61
Iron (Fe), % 0 to 0.25
0 to 1.5
Lead (Pb), % 0 to 0.25
4.5 to 5.5
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.5
15.5 to 17
Phosphorus (P), % 0 to 1.0
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 15 to 17
2.5 to 3.5
Zinc (Zn), % 0 to 0.25
10 to 19.5
Residuals, % 0
0 to 1.0