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C72800 Copper-nickel vs. C18900 Copper

Both C72800 copper-nickel and C18900 copper are copper alloys. They have 82% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C72800 copper-nickel and the bottom bar is C18900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 3.9 to 23
14 to 48
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 44
43
Shear Strength, MPa 330 to 740
190 to 300
Tensile Strength: Ultimate (UTS), MPa 520 to 1270
260 to 500
Tensile Strength: Yield (Proof), MPa 250 to 1210
67 to 390

Thermal Properties

Latent Heat of Fusion, J/g 210
210
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 1080
1080
Melting Onset (Solidus), °C 920
1020
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 55
130
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
30
Electrical Conductivity: Equal Weight (Specific), % IACS 11
30

Otherwise Unclassified Properties

Base Metal Price, % relative 38
31
Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 4.4
2.7
Embodied Energy, MJ/kg 68
42
Embodied Water, L/kg 360
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 99
65 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 5650
20 to 660
Stiffness to Weight: Axial, points 7.4
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 17 to 40
8.2 to 16
Strength to Weight: Bending, points 16 to 30
10 to 16
Thermal Diffusivity, mm2/s 17
38
Thermal Shock Resistance, points 19 to 45
9.3 to 18

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.010
Antimony (Sb), % 0 to 0.020
0
Bismuth (Bi), % 0 to 0.0010
0
Boron (B), % 0 to 0.0010
0
Copper (Cu), % 78.3 to 82.8
97.7 to 99.15
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0 to 0.0050
0 to 0.020
Magnesium (Mg), % 0.0050 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0.1 to 0.3
Nickel (Ni), % 9.5 to 10.5
0
Niobium (Nb), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.0050
0 to 0.050
Silicon (Si), % 0 to 0.050
0.15 to 0.4
Sulfur (S), % 0 to 0.0025
0
Tin (Sn), % 7.5 to 8.5
0.6 to 0.9
Titanium (Ti), % 0 to 0.010
0
Zinc (Zn), % 0 to 1.0
0 to 0.1
Residuals, % 0
0 to 0.5

Comparable Variants