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C71640 Copper-nickel vs. C94900 Bronze

Both C71640 copper-nickel and C94900 bronze are copper alloys. They have 71% of their average alloy composition in common. There are 24 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 C71640 copper-nickel and the bottom bar is C94900 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
41
Tensile Strength: Ultimate (UTS), MPa 490 to 630
300
Tensile Strength: Yield (Proof), MPa 190 to 460
130

Thermal Properties

Latent Heat of Fusion, J/g 240
190
Maximum Temperature: Mechanical, °C 260
170
Melting Completion (Liquidus), °C 1180
980
Melting Onset (Solidus), °C 1120
910
Specific Heat Capacity, J/kg-K 410
370
Thermal Expansion, µm/m-K 15
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
14
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
14

Otherwise Unclassified Properties

Base Metal Price, % relative 40
32
Density, g/cm3 8.9
8.8
Embodied Carbon, kg CO2/kg material 5.0
3.4
Embodied Energy, MJ/kg 73
55
Embodied Water, L/kg 280
350

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 750
72
Stiffness to Weight: Axial, points 8.7
6.9
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 15 to 20
9.4
Strength to Weight: Bending, points 16 to 18
11
Thermal Shock Resistance, points 16 to 21
11

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 61.7 to 67.8
79 to 81
Iron (Fe), % 1.7 to 2.3
0 to 0.3
Lead (Pb), % 0 to 0.050
4.0 to 6.0
Manganese (Mn), % 1.5 to 2.5
0 to 0.1
Nickel (Ni), % 29 to 32
4.0 to 6.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 0 to 1.0
4.0 to 6.0
Residuals, % 0 to 0.5
0 to 0.8