N08221 Nickel vs. AWS ERNiCu-7

Both N08221 nickel and AWS ERNiCu-7 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 N08221 nickel and the bottom bar is AWS ERNiCu-7.

UNS N08221 Nickel Alloy AWS ERNiCu-7 (N04060) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		160

Elongation at Break, %		34
Elongation at Break, %		34

Poisson's Ratio		0.28
Poisson's Ratio		0.32

Shear Modulus, GPa		79
Shear Modulus, GPa		61

Tensile Strength: Ultimate (UTS), MPa		610
Tensile Strength: Ultimate (UTS), MPa		550

Thermal Properties

Latent Heat of Fusion, J/g		310
Latent Heat of Fusion, J/g		280

Melting Completion (Liquidus), °C		1440
Melting Completion (Liquidus), °C		1280

Melting Onset (Solidus), °C		1390
Melting Onset (Solidus), °C		1240

Specific Heat Capacity, J/kg-K		460
Specific Heat Capacity, J/kg-K		440

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		13

Otherwise Unclassified Properties

Base Metal Price, % relative		44
Base Metal Price, % relative		50

Density, g/cm³		8.3
Density, g/cm³		8.7

Embodied Carbon, kg CO₂/kg material		7.9
Embodied Carbon, kg CO₂/kg material		8.5

Embodied Energy, MJ/kg		110
Embodied Energy, MJ/kg		120

Embodied Water, L/kg		240
Embodied Water, L/kg		250

Common Calculations

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		10

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		21

Strength to Weight: Axial, points		21
Strength to Weight: Axial, points		18

Strength to Weight: Bending, points		19
Strength to Weight: Bending, points		17

Thermal Shock Resistance, points		16
Thermal Shock Resistance, points		19

Alloy Composition

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Aluminum (Al), %		0 to 0.2
Aluminum (Al), %		0 to 1.3

Carbon (C), %		0 to 0.025
Carbon (C), %		0 to 0.15

Chromium (Cr), %		20 to 22
Chromium (Cr), %		0

Copper (Cu), %		1.5 to 3.0
Copper (Cu), %		18.3 to 36.5

Iron (Fe), %		22 to 33.9
Iron (Fe), %		0 to 2.5

Manganese (Mn), %		0 to 1.0
Manganese (Mn), %		0 to 4.0

Molybdenum (Mo), %		5.0 to 6.5
Molybdenum (Mo), %		0

Nickel (Ni), %		39 to 46
Nickel (Ni), %		62 to 69

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		0 to 0.050
Silicon (Si), %		0 to 1.3

Sulfur (S), %		0 to 0.030
Sulfur (S), %		0 to 0.015

Titanium (Ti), %		0.6 to 1.0
Titanium (Ti), %		1.5 to 3.0

Residuals, %		0
Residuals, %		0 to 0.5