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C81500 Copper vs. AWS ENiCu-7

C81500 copper belongs to the copper alloys classification, while AWS ENiCu-7 belongs to the nickel alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. 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 C81500 copper and the bottom bar is AWS ENiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
160
Elongation at Break, % 17
34
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
62
Tensile Strength: Ultimate (UTS), MPa 350
550

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Melting Completion (Liquidus), °C 1090
1270
Melting Onset (Solidus), °C 1080
1230
Specific Heat Capacity, J/kg-K 390
430
Thermal Conductivity, W/m-K 320
21
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 83
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
50
Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 2.6
8.0
Embodied Energy, MJ/kg 41
110
Embodied Water, L/kg 310
250

Common Calculations

Stiffness to Weight: Axial, points 7.3
10
Stiffness to Weight: Bending, points 18
21
Strength to Weight: Axial, points 11
17
Strength to Weight: Bending, points 12
17
Thermal Diffusivity, mm2/s 91
5.5
Thermal Shock Resistance, points 12
18

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.75
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
20.6 to 38
Iron (Fe), % 0 to 0.1
0 to 2.5
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0
0 to 4.0
Nickel (Ni), % 0
62 to 69
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.15
0 to 1.5
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0
0 to 1.0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.5