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C63800 Bronze vs. C74500 Nickel Silver

Both C63800 bronze and C74500 nickel silver are copper alloys. They have 66% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C63800 bronze and the bottom bar is C74500 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 7.9 to 41
3.0 to 24
Poisson's Ratio 0.34
0.32
Rockwell B Hardness 94 to 110
66 to 94
Rockwell Superficial 30T Hardness 74 to 93
60 to 79
Shear Modulus, GPa 43
44
Shear Strength, MPa 320 to 500
310 to 380
Tensile Strength: Ultimate (UTS), MPa 460 to 1010
390 to 700

Thermal Properties

Latent Heat of Fusion, J/g 240
190
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1030
1020
Melting Onset (Solidus), °C 1000
970
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 40
45
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 10
9.7

Otherwise Unclassified Properties

Base Metal Price, % relative 30
29
Density, g/cm3 8.6
8.3
Embodied Carbon, kg CO2/kg material 2.8
3.4
Embodied Energy, MJ/kg 45
54
Embodied Water, L/kg 330
310

Common Calculations

Stiffness to Weight: Axial, points 7.4
7.7
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 15 to 33
13 to 23
Strength to Weight: Bending, points 15 to 26
14 to 21
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 17 to 36
13 to 23

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
63.5 to 66.5
Iron (Fe), % 0 to 0.2
0 to 0.25
Lead (Pb), % 0 to 0.050
0 to 0.1
Manganese (Mn), % 0 to 0.1
0 to 0.5
Nickel (Ni), % 0 to 0.2
9.0 to 11
Silicon (Si), % 1.5 to 2.1
0
Zinc (Zn), % 0 to 0.8
21.2 to 27.5
Residuals, % 0
0 to 0.5

Comparable Variants