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AWS ENiCu-7 vs. C55280 Copper

AWS ENiCu-7 belongs to the nickel alloys classification, while C55280 copper belongs to the copper alloys. They have a modest 29% of their average alloy composition in common, which, by itself, doesn't mean much. There are 17 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS ENiCu-7 and the bottom bar is C55280 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
110
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 62
40
Tensile Strength: Ultimate (UTS), MPa 550
180

Thermal Properties

Latent Heat of Fusion, J/g 280
190
Melting Completion (Liquidus), °C 1270
790
Melting Onset (Solidus), °C 1230
640
Specific Heat Capacity, J/kg-K 430
410
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.5
Embodied Carbon, kg CO2/kg material 8.0
4.2
Embodied Energy, MJ/kg 110
67

Common Calculations

Stiffness to Weight: Axial, points 10
6.9
Stiffness to Weight: Bending, points 21
19
Strength to Weight: Axial, points 17
5.9
Strength to Weight: Bending, points 17
8.3
Thermal Shock Resistance, points 18
7.4

Alloy Composition

Aluminum (Al), % 0 to 0.75
0
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 20.6 to 38
90.5 to 91.4
Iron (Fe), % 0 to 2.5
0
Manganese (Mn), % 0 to 4.0
0
Nickel (Ni), % 62 to 69
0
Phosphorus (P), % 0 to 0.020
6.8 to 7.2
Silicon (Si), % 0 to 1.5
0
Silver (Ag), % 0
1.8 to 2.2
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 1.0
0
Residuals, % 0
0 to 0.15