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AWS ERNiCu-7 vs. N08221 Nickel

Both AWS ERNiCu-7 and N08221 nickel are nickel alloys. They have 47% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCu-7 and the bottom bar is N08221 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 34
34
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 61
79
Tensile Strength: Ultimate (UTS), MPa 550
610

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Melting Completion (Liquidus), °C 1280
1440
Melting Onset (Solidus), °C 1240
1390
Specific Heat Capacity, J/kg-K 440
460
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 50
44
Density, g/cm3 8.7
8.3
Embodied Carbon, kg CO2/kg material 8.5
7.9
Embodied Energy, MJ/kg 120
110
Embodied Water, L/kg 250
240

Common Calculations

Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 18
21
Strength to Weight: Bending, points 17
19
Thermal Shock Resistance, points 19
16

Alloy Composition

Aluminum (Al), % 0 to 1.3
0 to 0.2
Carbon (C), % 0 to 0.15
0 to 0.025
Chromium (Cr), % 0
20 to 22
Copper (Cu), % 18.3 to 36.5
1.5 to 3.0
Iron (Fe), % 0 to 2.5
22 to 33.9
Manganese (Mn), % 0 to 4.0
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 6.5
Nickel (Ni), % 62 to 69
39 to 46
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.3
0 to 0.050
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 1.5 to 3.0
0.6 to 1.0
Residuals, % 0 to 0.5
0