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C71640 Copper-nickel vs. C96700 Copper

Both C71640 copper-nickel and C96700 copper are copper alloys. They have a very high 97% of their average alloy composition in common. There are 24 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 C96700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
140
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 52
53
Tensile Strength: Ultimate (UTS), MPa 490 to 630
1210
Tensile Strength: Yield (Proof), MPa 190 to 460
550

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Maximum Temperature: Mechanical, °C 260
310
Melting Completion (Liquidus), °C 1180
1170
Melting Onset (Solidus), °C 1120
1110
Specific Heat Capacity, J/kg-K 410
400
Thermal Conductivity, W/m-K 29
30
Thermal Expansion, µm/m-K 15
15

Otherwise Unclassified Properties

Base Metal Price, % relative 40
90
Density, g/cm3 8.9
8.8
Embodied Carbon, kg CO2/kg material 5.0
9.5
Embodied Energy, MJ/kg 73
140
Embodied Water, L/kg 280
280

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 750
1080
Stiffness to Weight: Axial, points 8.7
8.9
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 15 to 20
38
Strength to Weight: Bending, points 16 to 18
29
Thermal Diffusivity, mm2/s 8.2
8.5
Thermal Shock Resistance, points 16 to 21
40

Alloy Composition


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Beryllium (Be), % 0
1.1 to 1.2
Copper (Cu), % 61.7 to 67.8
62.4 to 68.8
Iron (Fe), % 1.7 to 2.3
0.4 to 1.0
Lead (Pb), % 0 to 0.050
0 to 0.010
Manganese (Mn), % 1.5 to 2.5
0.4 to 1.0
Nickel (Ni), % 29 to 32
29 to 33
Silicon (Si), % 0
0 to 0.15
Titanium (Ti), % 0
0.15 to 0.35
Zinc (Zn), % 0 to 1.0
0
Zirconium (Zr), % 0
0.15 to 0.35
Residuals, % 0 to 0.5
0 to 0.5