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AWS ERNiCu-7 vs. C82600 Copper

AWS ERNiCu-7 belongs to the nickel alloys classification, while C82600 copper belongs to the copper alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. There are 23 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 AWS ERNiCu-7 and the bottom bar is C82600 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
120
Elongation at Break, % 34
1.0 to 20
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 61
46
Tensile Strength: Ultimate (UTS), MPa 550
570 to 1140

Thermal Properties

Latent Heat of Fusion, J/g 280
240
Melting Completion (Liquidus), °C 1280
950
Melting Onset (Solidus), °C 1240
860
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 20
130
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.2
19
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
20

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.7
Embodied Carbon, kg CO2/kg material 8.5
11
Embodied Energy, MJ/kg 120
180
Embodied Water, L/kg 250
310

Common Calculations

Stiffness to Weight: Axial, points 10
7.8
Stiffness to Weight: Bending, points 21
19
Strength to Weight: Axial, points 18
18 to 36
Strength to Weight: Bending, points 17
17 to 28
Thermal Diffusivity, mm2/s 5.3
37
Thermal Shock Resistance, points 19
19 to 39

Alloy Composition

Aluminum (Al), % 0 to 1.3
0 to 0.15
Beryllium (Be), % 0
2.3 to 2.6
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
0.35 to 0.65
Copper (Cu), % 18.3 to 36.5
94.9 to 97.2
Iron (Fe), % 0 to 2.5
0 to 0.25
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 4.0
0
Nickel (Ni), % 62 to 69
0 to 0.2
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.3
0.2 to 0.35
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 1.5 to 3.0
0 to 0.12
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5