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C81500 Copper vs. C71520 Copper-nickel

Both C81500 copper and C71520 copper-nickel are copper alloys. They have 69% of their average alloy composition in common. There are 28 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 C81500 copper and the bottom bar is C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
140
Elongation at Break, % 17
10 to 45
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
51
Tensile Strength: Ultimate (UTS), MPa 350
370 to 570
Tensile Strength: Yield (Proof), MPa 280
140 to 430

Thermal Properties

Latent Heat of Fusion, J/g 210
230
Maximum Temperature: Mechanical, °C 200
260
Melting Completion (Liquidus), °C 1090
1170
Melting Onset (Solidus), °C 1080
1120
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 320
32
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 83
5.8

Otherwise Unclassified Properties

Base Metal Price, % relative 31
40
Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 2.6
5.0
Embodied Energy, MJ/kg 41
73
Embodied Water, L/kg 310
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
54 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 330
67 to 680
Stiffness to Weight: Axial, points 7.3
8.6
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
12 to 18
Strength to Weight: Bending, points 12
13 to 17
Thermal Diffusivity, mm2/s 91
8.9
Thermal Shock Resistance, points 12
12 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
65 to 71.6
Iron (Fe), % 0 to 0.1
0.4 to 1.0
Lead (Pb), % 0 to 0.020
0 to 0.020
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
28 to 33
Phosphorus (P), % 0
0 to 0.2
Silicon (Si), % 0 to 0.15
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0 to 0.5
Residuals, % 0 to 0.5
0 to 0.5