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C86300 Bronze vs. C72800 Copper-nickel

Both C86300 bronze and C72800 copper-nickel are copper alloys. They have 65% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C86300 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, % 14
3.9 to 23
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 42
44
Tensile Strength: Ultimate (UTS), MPa 850
520 to 1270
Tensile Strength: Yield (Proof), MPa 480
250 to 1210

Thermal Properties

Latent Heat of Fusion, J/g 200
210
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 920
1080
Melting Onset (Solidus), °C 890
920
Specific Heat Capacity, J/kg-K 420
380
Thermal Conductivity, W/m-K 35
55
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
11

Otherwise Unclassified Properties

Base Metal Price, % relative 23
38
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 3.0
4.4
Embodied Energy, MJ/kg 51
68
Embodied Water, L/kg 360
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
37 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 1030
260 to 5650
Stiffness to Weight: Axial, points 7.8
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 30
17 to 40
Strength to Weight: Bending, points 25
16 to 30
Thermal Diffusivity, mm2/s 11
17
Thermal Shock Resistance, points 28
19 to 45

Alloy Composition

Aluminum (Al), % 5.0 to 7.5
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), % 60 to 66
78.3 to 82.8
Iron (Fe), % 2.0 to 4.0
0 to 0.5
Lead (Pb), % 0 to 0.2
0 to 0.0050
Magnesium (Mg), % 0
0.0050 to 0.15
Manganese (Mn), % 2.5 to 5.0
0.050 to 0.3
Nickel (Ni), % 0 to 1.0
9.5 to 10.5
Niobium (Nb), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.0050
Silicon (Si), % 0
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), % 22 to 28
0 to 1.0
Residuals, % 0 to 1.0
0 to 0.3