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C71000 Copper-nickel vs. C19400 Copper

Both C71000 copper-nickel and C19400 copper are copper alloys. They have 78% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C71000 copper-nickel and the bottom bar is C19400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
120
Poisson's Ratio 0.33
0.34
Rockwell Superficial 30T Hardness 56 to 73
59 to 78
Shear Modulus, GPa 49
44
Tensile Strength: Ultimate (UTS), MPa 320 to 560
310 to 630

Thermal Properties

Latent Heat of Fusion, J/g 230
210
Maximum Temperature: Mechanical, °C 240
200
Melting Completion (Liquidus), °C 1200
1090
Melting Onset (Solidus), °C 1150
1080
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 43
260
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.5
58 to 68
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
58 to 69

Otherwise Unclassified Properties

Base Metal Price, % relative 37
30
Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 4.3
2.6
Embodied Energy, MJ/kg 63
40
Embodied Water, L/kg 290
300

Common Calculations

Stiffness to Weight: Axial, points 8.2
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 10 to 18
9.7 to 20
Strength to Weight: Bending, points 12 to 17
11 to 18
Thermal Diffusivity, mm2/s 12
75
Thermal Shock Resistance, points 12 to 20
11 to 22

Alloy Composition

Copper (Cu), % 73.5 to 80.5
96.8 to 97.8
Iron (Fe), % 0.5 to 1.0
2.1 to 2.6
Lead (Pb), % 0 to 0.050
0 to 0.030
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 19 to 23
0
Phosphorus (P), % 0
0.015 to 0.15
Zinc (Zn), % 0 to 1.0
0.050 to 0.2
Residuals, % 0
0 to 0.2

Comparable Variants