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C63800 Bronze vs. C77000 Nickel Silver

Both C63800 bronze and C77000 nickel silver are copper alloys. They have 56% of their average alloy composition in common. There are 26 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 C63800 bronze and the bottom bar is C77000 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.34
0.31
Rockwell B Hardness 94 to 110
52 to 99
Rockwell Superficial 30T Hardness 74 to 93
49 to 90
Shear Modulus, GPa 43
46
Tensile Strength: Ultimate (UTS), MPa 460 to 1010
420 to 800

Thermal Properties

Latent Heat of Fusion, J/g 240
200
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 1030
1050
Melting Onset (Solidus), °C 1000
1000
Specific Heat Capacity, J/kg-K 410
400
Thermal Conductivity, W/m-K 40
29
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
5.5
Electrical Conductivity: Equal Weight (Specific), % IACS 10
6.0

Otherwise Unclassified Properties

Base Metal Price, % relative 30
31
Density, g/cm3 8.6
8.3
Embodied Carbon, kg CO2/kg material 2.8
4.1
Embodied Energy, MJ/kg 45
63
Embodied Water, L/kg 330
300

Common Calculations

Stiffness to Weight: Axial, points 7.4
8.1
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 15 to 33
14 to 27
Strength to Weight: Bending, points 15 to 26
15 to 23
Thermal Diffusivity, mm2/s 11
8.8
Thermal Shock Resistance, points 17 to 36
15 to 28

Alloy Composition

Aluminum (Al), % 2.5 to 3.1
0
Cobalt (Co), % 0.25 to 0.55
0
Copper (Cu), % 92.4 to 95.8
53.5 to 56.5
Iron (Fe), % 0 to 0.2
0 to 0.25
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0 to 0.1
0 to 0.5
Nickel (Ni), % 0 to 0.2
16.5 to 19.5
Silicon (Si), % 1.5 to 2.1
0
Zinc (Zn), % 0 to 0.8
22.7 to 30
Residuals, % 0
0 to 0.5

Comparable Variants