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C38500 Bronze vs. C78200 Nickel Silver

Both C38500 bronze and C78200 nickel silver are copper alloys. They have 84% of their average alloy composition in common. There are 29 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 C38500 bronze and the bottom bar is C78200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 17
3.0 to 40
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 37
43
Shear Strength, MPa 230
280 to 400
Tensile Strength: Ultimate (UTS), MPa 370
370 to 630
Tensile Strength: Yield (Proof), MPa 130
170 to 570

Thermal Properties

Latent Heat of Fusion, J/g 160
190
Maximum Temperature: Mechanical, °C 110
160
Melting Completion (Liquidus), °C 890
1000
Melting Onset (Solidus), °C 880
970
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 120
48
Thermal Expansion, µm/m-K 21
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
11
Electrical Conductivity: Equal Weight (Specific), % IACS 31
12

Otherwise Unclassified Properties

Base Metal Price, % relative 22
28
Density, g/cm3 8.1
8.4
Embodied Carbon, kg CO2/kg material 2.6
3.3
Embodied Energy, MJ/kg 45
52
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
18 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 78
130 to 1440
Stiffness to Weight: Axial, points 7.0
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13
12 to 21
Strength to Weight: Bending, points 14
14 to 19
Thermal Diffusivity, mm2/s 40
15
Thermal Shock Resistance, points 12
12 to 21

Alloy Composition

Copper (Cu), % 55 to 59
63 to 67
Iron (Fe), % 0 to 0.35
0 to 0.35
Lead (Pb), % 2.5 to 3.5
1.5 to 2.5
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
7.0 to 9.0
Zinc (Zn), % 36.7 to 42.5
20.2 to 28.5
Residuals, % 0
0 to 0.5