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CC491K Bronze vs. C76400 Nickel Silver

Both CC491K bronze and C76400 nickel silver are copper alloys. They have 66% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is CC491K bronze and the bottom bar is C76400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 40
46
Tensile Strength: Ultimate (UTS), MPa 260
590 to 610

Thermal Properties

Latent Heat of Fusion, J/g 190
200
Maximum Temperature: Mechanical, °C 160
190
Melting Completion (Liquidus), °C 980
990
Melting Onset (Solidus), °C 900
950
Specific Heat Capacity, J/kg-K 370
400
Thermal Conductivity, W/m-K 71
31
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 15
6.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
32
Density, g/cm3 8.9
8.4
Embodied Carbon, kg CO2/kg material 3.1
4.1
Embodied Energy, MJ/kg 51
63
Embodied Water, L/kg 350
300

Common Calculations

Stiffness to Weight: Axial, points 6.7
8.1
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 8.1
19 to 20
Strength to Weight: Bending, points 10
18 to 19
Thermal Diffusivity, mm2/s 22
9.3
Thermal Shock Resistance, points 9.3
19 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 81 to 87
58.5 to 61.5
Iron (Fe), % 0 to 0.3
0 to 0.25
Lead (Pb), % 4.0 to 6.0
0 to 0.050
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 2.0
16.5 to 19.5
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 4.0 to 6.0
17.7 to 25
Residuals, % 0
0 to 0.5