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C71640 Copper-nickel vs. C51000 Bronze

Both C71640 copper-nickel and C51000 bronze are copper alloys. They have 65% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C71640 copper-nickel and the bottom bar is C51000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
110
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 52
42
Tensile Strength: Ultimate (UTS), MPa 490 to 630
330 to 780
Tensile Strength: Yield (Proof), MPa 190 to 460
130 to 750

Thermal Properties

Latent Heat of Fusion, J/g 240
200
Maximum Temperature: Mechanical, °C 260
190
Melting Completion (Liquidus), °C 1180
1050
Melting Onset (Solidus), °C 1120
960
Specific Heat Capacity, J/kg-K 410
380
Thermal Conductivity, W/m-K 29
77
Thermal Expansion, µm/m-K 15
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
18
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
18

Otherwise Unclassified Properties

Base Metal Price, % relative 40
33
Density, g/cm3 8.9
8.8
Embodied Carbon, kg CO2/kg material 5.0
3.1
Embodied Energy, MJ/kg 73
50
Embodied Water, L/kg 280
350

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 750
75 to 2490
Stiffness to Weight: Axial, points 8.7
7.0
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 15 to 20
10 to 25
Strength to Weight: Bending, points 16 to 18
12 to 21
Thermal Diffusivity, mm2/s 8.2
23
Thermal Shock Resistance, points 16 to 21
12 to 28

Alloy Composition


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Copper (Cu), % 61.7 to 67.8
92.9 to 95.5
Iron (Fe), % 1.7 to 2.3
0 to 0.1
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 1.5 to 2.5
0
Nickel (Ni), % 29 to 32
0
Phosphorus (P), % 0
0.030 to 0.35
Tin (Sn), % 0
4.5 to 5.8
Zinc (Zn), % 0 to 1.0
0 to 0.3
Residuals, % 0 to 0.5
0 to 0.5