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C86700 Bronze vs. CC381H Copper-nickel

Both C86700 bronze and CC381H copper-nickel are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 60% of their average alloy composition in common. There are 28 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 C86700 bronze and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
140
Elongation at Break, % 17
20
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
52
Tensile Strength: Ultimate (UTS), MPa 630
380
Tensile Strength: Yield (Proof), MPa 250
140

Thermal Properties

Latent Heat of Fusion, J/g 180
240
Maximum Temperature: Mechanical, °C 130
260
Melting Completion (Liquidus), °C 880
1180
Melting Onset (Solidus), °C 860
1120
Specific Heat Capacity, J/kg-K 400
410
Thermal Conductivity, W/m-K 89
30
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 19
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 23
40
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 2.9
5.0
Embodied Energy, MJ/kg 49
73
Embodied Water, L/kg 340
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
60
Resilience: Unit (Modulus of Resilience), kJ/m3 290
68
Stiffness to Weight: Axial, points 7.5
8.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 22
12
Strength to Weight: Bending, points 21
13
Thermal Diffusivity, mm2/s 28
8.4
Thermal Shock Resistance, points 21
13

Alloy Composition

Aluminum (Al), % 1.0 to 3.0
0 to 0.010
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 55 to 60
64.5 to 69.9
Iron (Fe), % 1.0 to 3.0
0.5 to 1.5
Lead (Pb), % 0.5 to 1.5
0 to 0.030
Manganese (Mn), % 1.0 to 3.5
0.6 to 1.2
Nickel (Ni), % 0 to 1.0
29 to 31
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 1.5
0
Zinc (Zn), % 30 to 38
0 to 0.5
Residuals, % 0 to 1.0
0