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H02 C65100 Bronze vs. H02 C78200 Nickel Silver

Both H02 C65100 bronze and H02 C78200 nickel silver are copper alloys. Both are furnished in the H02 (half hard) temper. They have 66% of their average alloy composition in common. There are 30 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 H02 C65100 bronze and the bottom bar is H02 C78200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 12
12
Poisson's Ratio 0.34
0.32
Rockwell B Hardness 71
78
Shear Modulus, GPa 43
43
Shear Strength, MPa 240
320
Tensile Strength: Ultimate (UTS), MPa 390
480
Tensile Strength: Yield (Proof), MPa 160
430

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1060
1000
Melting Onset (Solidus), °C 1030
970
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 57
48
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
11
Electrical Conductivity: Equal Weight (Specific), % IACS 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 30
28
Density, g/cm3 8.8
8.4
Embodied Carbon, kg CO2/kg material 2.6
3.3
Embodied Energy, MJ/kg 41
52
Embodied Water, L/kg 300
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
55
Resilience: Unit (Modulus of Resilience), kJ/m3 110
840
Stiffness to Weight: Axial, points 7.3
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 12
16
Strength to Weight: Bending, points 14
16
Thermal Diffusivity, mm2/s 16
15
Thermal Shock Resistance, points 14
16

Alloy Composition

Copper (Cu), % 94.5 to 99.2
63 to 67
Iron (Fe), % 0 to 0.8
0 to 0.35
Lead (Pb), % 0 to 0.050
1.5 to 2.5
Manganese (Mn), % 0 to 0.7
0 to 0.5
Nickel (Ni), % 0
7.0 to 9.0
Silicon (Si), % 0.8 to 2.0
0
Zinc (Zn), % 0 to 1.5
20.2 to 28.5
Residuals, % 0
0 to 0.5