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CC331G Bronze vs. C97400 Nickel Silver

Both CC331G bronze and C97400 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 62% of their average alloy composition in common.

For each property being compared, the top bar is CC331G bronze and the bottom bar is C97400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
70
Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 20
20
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
44
Tensile Strength: Ultimate (UTS), MPa 620
260
Tensile Strength: Yield (Proof), MPa 240
120

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 220
180
Melting Completion (Liquidus), °C 1060
1100
Melting Onset (Solidus), °C 1000
1070
Specific Heat Capacity, J/kg-K 440
380
Thermal Conductivity, W/m-K 61
27
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 14
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 28
33
Density, g/cm3 8.3
8.6
Embodied Carbon, kg CO2/kg material 3.2
4.1
Embodied Energy, MJ/kg 53
64
Embodied Water, L/kg 390
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97
43
Resilience: Unit (Modulus of Resilience), kJ/m3 250
59
Stiffness to Weight: Axial, points 7.6
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 21
8.5
Strength to Weight: Bending, points 19
11
Thermal Diffusivity, mm2/s 17
8.3
Thermal Shock Resistance, points 22
8.8

Alloy Composition

Aluminum (Al), % 8.5 to 10.5
0
Copper (Cu), % 83 to 86.5
58 to 61
Iron (Fe), % 1.5 to 3.5
0 to 1.5
Lead (Pb), % 0 to 0.1
4.5 to 5.5
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
0 to 0.5
Nickel (Ni), % 0 to 1.5
15.5 to 17
Silicon (Si), % 0 to 0.2
0
Tin (Sn), % 0 to 0.2
2.5 to 3.5
Zinc (Zn), % 0 to 0.5
10 to 19.5
Residuals, % 0
0 to 1.0