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C63800 Bronze vs. C77400 Nickel Silver

Both C63800 bronze and C77400 nickel silver are copper alloys. They have 46% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C63800 bronze and the bottom bar is C77400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 7.9 to 41
25
Poisson's Ratio 0.34
0.3
Rockwell B Hardness 94 to 110
73
Shear Modulus, GPa 43
42
Shear Strength, MPa 320 to 500
360
Tensile Strength: Ultimate (UTS), MPa 460 to 1010
570

Thermal Properties

Latent Heat of Fusion, J/g 240
170
Maximum Temperature: Mechanical, °C 200
130
Melting Completion (Liquidus), °C 1030
810
Melting Onset (Solidus), °C 1000
770
Specific Heat Capacity, J/kg-K 410
390
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
27
Electrical Conductivity: Equal Weight (Specific), % IACS 10
31

Otherwise Unclassified Properties

Base Metal Price, % relative 30
25
Density, g/cm3 8.6
7.9
Embodied Carbon, kg CO2/kg material 2.8
3.5
Embodied Energy, MJ/kg 45
57
Embodied Water, L/kg 330
320

Common Calculations

Stiffness to Weight: Axial, points 7.4
7.7
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 15 to 33
20
Strength to Weight: Bending, points 15 to 26
19
Thermal Shock Resistance, points 17 to 36
18

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
43 to 47
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 0 to 0.050
0 to 0.2
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.2
9.0 to 11
Silicon (Si), % 1.5 to 2.1
0
Zinc (Zn), % 0 to 0.8
41.3 to 48
Residuals, % 0
0 to 0.5