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C67500 Bronze vs. C97400 Nickel Silver

Both C67500 bronze and C97400 nickel silver are copper alloys. They have 76% of their average alloy composition in common. There are 28 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 C67500 bronze and the bottom bar is C97400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 14 to 33
20
Poisson's Ratio 0.3
0.33
Shear Modulus, GPa 40
44
Tensile Strength: Ultimate (UTS), MPa 430 to 580
260
Tensile Strength: Yield (Proof), MPa 170 to 370
120

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 120
180
Melting Completion (Liquidus), °C 890
1100
Melting Onset (Solidus), °C 870
1070
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 110
27
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 27
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
33
Density, g/cm3 8.0
8.6
Embodied Carbon, kg CO2/kg material 2.8
4.1
Embodied Energy, MJ/kg 47
64
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 61 to 130
43
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 650
59
Stiffness to Weight: Axial, points 7.3
7.5
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15 to 20
8.5
Strength to Weight: Bending, points 16 to 19
11
Thermal Diffusivity, mm2/s 34
8.3
Thermal Shock Resistance, points 14 to 19
8.8

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Copper (Cu), % 57 to 60
58 to 61
Iron (Fe), % 0.8 to 2.0
0 to 1.5
Lead (Pb), % 0 to 0.2
4.5 to 5.5
Manganese (Mn), % 0.050 to 0.5
0 to 0.5
Nickel (Ni), % 0
15.5 to 17
Tin (Sn), % 0.5 to 1.5
2.5 to 3.5
Zinc (Zn), % 35.1 to 41.7
10 to 19.5
Residuals, % 0
0 to 1.0