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CC331G Bronze vs. C72800 Copper-nickel

Both CC331G bronze and C72800 copper-nickel are copper alloys. They have 82% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CC331G bronze and the bottom bar is C72800 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 20
3.9 to 23
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
44
Tensile Strength: Ultimate (UTS), MPa 620
520 to 1270
Tensile Strength: Yield (Proof), MPa 240
250 to 1210

Thermal Properties

Latent Heat of Fusion, J/g 230
210
Maximum Temperature: Mechanical, °C 220
200
Melting Completion (Liquidus), °C 1060
1080
Melting Onset (Solidus), °C 1000
920
Specific Heat Capacity, J/kg-K 440
380
Thermal Conductivity, W/m-K 61
55
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
11
Electrical Conductivity: Equal Weight (Specific), % IACS 14
11

Otherwise Unclassified Properties

Base Metal Price, % relative 28
38
Density, g/cm3 8.3
8.8
Embodied Carbon, kg CO2/kg material 3.2
4.4
Embodied Energy, MJ/kg 53
68
Embodied Water, L/kg 390
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97
37 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 250
260 to 5650
Stiffness to Weight: Axial, points 7.6
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 21
17 to 40
Strength to Weight: Bending, points 19
16 to 30
Thermal Diffusivity, mm2/s 17
17
Thermal Shock Resistance, points 22
19 to 45

Alloy Composition

Aluminum (Al), % 8.5 to 10.5
0 to 0.1
Antimony (Sb), % 0
0 to 0.020
Bismuth (Bi), % 0
0 to 0.0010
Boron (B), % 0
0 to 0.0010
Copper (Cu), % 83 to 86.5
78.3 to 82.8
Iron (Fe), % 1.5 to 3.5
0 to 0.5
Lead (Pb), % 0 to 0.1
0 to 0.0050
Magnesium (Mg), % 0 to 0.050
0.0050 to 0.15
Manganese (Mn), % 0 to 1.0
0.050 to 0.3
Nickel (Ni), % 0 to 1.5
9.5 to 10.5
Niobium (Nb), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.2
0 to 0.050
Sulfur (S), % 0
0 to 0.0025
Tin (Sn), % 0 to 0.2
7.5 to 8.5
Titanium (Ti), % 0
0 to 0.010
Zinc (Zn), % 0 to 0.5
0 to 1.0
Residuals, % 0
0 to 0.3