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C70700 Copper-nickel vs. CC334G Bronze

Both C70700 copper-nickel and CC334G bronze 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 (1, in this case) are not shown.

For each property being compared, the top bar is C70700 copper-nickel and the bottom bar is CC334G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
210
Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 39
5.6
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 46
45
Tensile Strength: Ultimate (UTS), MPa 320
810
Tensile Strength: Yield (Proof), MPa 110
410

Thermal Properties

Latent Heat of Fusion, J/g 220
240
Maximum Temperature: Mechanical, °C 220
240
Melting Completion (Liquidus), °C 1120
1080
Melting Onset (Solidus), °C 1060
1020
Specific Heat Capacity, J/kg-K 390
450
Thermal Conductivity, W/m-K 59
41
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 34
29
Density, g/cm3 8.9
8.2
Embodied Carbon, kg CO2/kg material 3.4
3.6
Embodied Energy, MJ/kg 52
59
Embodied Water, L/kg 300
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
38
Resilience: Unit (Modulus of Resilience), kJ/m3 51
710
Stiffness to Weight: Axial, points 7.6
8.1
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 10
28
Strength to Weight: Bending, points 12
24
Thermal Diffusivity, mm2/s 17
11
Thermal Shock Resistance, points 12
28

Alloy Composition

Aluminum (Al), % 0
10 to 12
Copper (Cu), % 88.5 to 90.5
72 to 84.5
Iron (Fe), % 0 to 0.050
3.0 to 7.0
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0 to 0.5
0 to 2.5
Nickel (Ni), % 9.5 to 10.5
4.0 to 7.5
Silicon (Si), % 0
0 to 0.1
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0 to 0.5
0