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C71640 Copper-nickel vs. C94500 Bronze

Both C71640 copper-nickel and C94500 bronze are copper alloys. They have 66% of their average alloy composition in common. There are 26 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 C71640 copper-nickel and the bottom bar is C94500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
92
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 52
34
Tensile Strength: Ultimate (UTS), MPa 490 to 630
170
Tensile Strength: Yield (Proof), MPa 190 to 460
83

Thermal Properties

Latent Heat of Fusion, J/g 240
160
Maximum Temperature: Mechanical, °C 260
130
Melting Completion (Liquidus), °C 1180
940
Melting Onset (Solidus), °C 1120
800
Specific Heat Capacity, J/kg-K 410
330
Thermal Conductivity, W/m-K 29
52
Thermal Expansion, µm/m-K 15
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
10
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
9.7

Otherwise Unclassified Properties

Base Metal Price, % relative 40
30
Density, g/cm3 8.9
9.3
Embodied Carbon, kg CO2/kg material 5.0
3.2
Embodied Energy, MJ/kg 73
51
Embodied Water, L/kg 280
380

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 750
37
Stiffness to Weight: Axial, points 8.7
5.5
Stiffness to Weight: Bending, points 20
16
Strength to Weight: Axial, points 15 to 20
5.2
Strength to Weight: Bending, points 16 to 18
7.4
Thermal Diffusivity, mm2/s 8.2
17
Thermal Shock Resistance, points 16 to 21
6.7

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Copper (Cu), % 61.7 to 67.8
66.7 to 78
Iron (Fe), % 1.7 to 2.3
0 to 0.15
Lead (Pb), % 0 to 0.050
16 to 22
Manganese (Mn), % 1.5 to 2.5
0
Nickel (Ni), % 29 to 32
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
6.0 to 8.0
Zinc (Zn), % 0 to 1.0
0 to 1.2
Residuals, % 0 to 0.5
0