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C64210 Bronze vs. C79600 Nickel Silver

Both C64210 bronze and C79600 nickel silver are copper alloys. They have 46% of their average alloy composition in common.

For each property being compared, the top bar is C64210 bronze and the bottom bar is C79600 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 35
15
Poisson's Ratio 0.34
0.3
Rockwell B Hardness 77
70
Shear Modulus, GPa 42
43
Shear Strength, MPa 380
290
Tensile Strength: Ultimate (UTS), MPa 570
480
Tensile Strength: Yield (Proof), MPa 290
300

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Maximum Temperature: Mechanical, °C 210
130
Melting Completion (Liquidus), °C 1040
930
Melting Onset (Solidus), °C 990
880
Specific Heat Capacity, J/kg-K 430
390
Thermal Conductivity, W/m-K 48
36
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 14
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 29
25
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 3.0
3.5
Embodied Energy, MJ/kg 49
57
Embodied Water, L/kg 360
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
63
Resilience: Unit (Modulus of Resilience), kJ/m3 360
400
Stiffness to Weight: Axial, points 7.4
7.8
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 19
17
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 21
15

Alloy Composition

Aluminum (Al), % 6.3 to 7.0
0
Arsenic (As), % 0 to 0.15
0
Copper (Cu), % 89 to 92.2
43.5 to 46.5
Iron (Fe), % 0 to 0.3
0
Lead (Pb), % 0 to 0.050
0.8 to 1.2
Manganese (Mn), % 0 to 0.1
1.5 to 2.5
Nickel (Ni), % 0 to 0.25
9.0 to 11
Silicon (Si), % 1.5 to 2.0
0
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.5
38.3 to 45.2
Residuals, % 0
0 to 0.5