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C70700 Copper-nickel vs. CC330G Bronze

Both C70700 copper-nickel and CC330G bronze are copper alloys. They have a moderately high 90% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C70700 copper-nickel and the bottom bar is CC330G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
110
Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 39
20
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 46
42
Tensile Strength: Ultimate (UTS), MPa 320
530
Tensile Strength: Yield (Proof), MPa 110
190

Thermal Properties

Latent Heat of Fusion, J/g 220
230
Maximum Temperature: Mechanical, °C 220
220
Melting Completion (Liquidus), °C 1120
1050
Melting Onset (Solidus), °C 1060
1000
Specific Heat Capacity, J/kg-K 390
430
Thermal Conductivity, W/m-K 59
62
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
14
Electrical Conductivity: Equal Weight (Specific), % IACS 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 34
29
Density, g/cm3 8.9
8.4
Embodied Carbon, kg CO2/kg material 3.4
3.2
Embodied Energy, MJ/kg 52
52
Embodied Water, L/kg 300
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
82
Resilience: Unit (Modulus of Resilience), kJ/m3 51
170
Stiffness to Weight: Axial, points 7.6
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 10
18
Strength to Weight: Bending, points 12
17
Thermal Diffusivity, mm2/s 17
17
Thermal Shock Resistance, points 12
19

Alloy Composition

Aluminum (Al), % 0
8.0 to 10.5
Copper (Cu), % 88.5 to 90.5
87 to 92
Iron (Fe), % 0 to 0.050
0 to 1.2
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 9.5 to 10.5
0 to 1.0
Silicon (Si), % 0
0 to 0.2
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0 to 0.5
0