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C81400 Copper vs. C96900 Copper-nickel

Both C81400 copper and C96900 copper-nickel are copper alloys. Both are furnished in the heat treated (HT) condition. They have 76% 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 C81400 copper and the bottom bar is C96900 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 11
4.5
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 41
45
Tensile Strength: Ultimate (UTS), MPa 370
850
Tensile Strength: Yield (Proof), MPa 250
830

Thermal Properties

Latent Heat of Fusion, J/g 210
210
Maximum Temperature: Mechanical, °C 200
210
Melting Completion (Liquidus), °C 1090
1060
Melting Onset (Solidus), °C 1070
960
Specific Heat Capacity, J/kg-K 390
380
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 61
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 33
39
Density, g/cm3 8.9
8.8
Embodied Carbon, kg CO2/kg material 2.8
4.6
Embodied Energy, MJ/kg 45
72
Embodied Water, L/kg 310
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
38
Resilience: Unit (Modulus of Resilience), kJ/m3 260
2820
Stiffness to Weight: Axial, points 7.3
7.7
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
27
Strength to Weight: Bending, points 13
23
Thermal Shock Resistance, points 13
30

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Chromium (Cr), % 0.6 to 1.0
0
Copper (Cu), % 98.4 to 99.38
73.6 to 78
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0
0.050 to 0.3
Nickel (Ni), % 0
14.5 to 15.5
Niobium (Nb), % 0
0 to 0.1
Silicon (Si), % 0
0 to 0.3
Tin (Sn), % 0
7.5 to 8.5
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5