Grade N7M Nickel vs. AWS E409Nb

Grade N7M nickel belongs to the nickel alloys classification, while AWS E409Nb belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade N7M nickel and the bottom bar is AWS E409Nb.

Grade N7M (J30007) Cast Nickel AWS E409Nb (W40910) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		220
Elastic (Young's, Tensile) Modulus, GPa		190

Elongation at Break, %		22
Elongation at Break, %		23

Poisson's Ratio		0.31
Poisson's Ratio		0.28

Shear Modulus, GPa		85
Shear Modulus, GPa		76

Tensile Strength: Ultimate (UTS), MPa		590
Tensile Strength: Ultimate (UTS), MPa		500

Tensile Strength: Yield (Proof), MPa		310
Tensile Strength: Yield (Proof), MPa		380

Thermal Properties

Latent Heat of Fusion, J/g		320
Latent Heat of Fusion, J/g		280

Melting Completion (Liquidus), °C		1650
Melting Completion (Liquidus), °C		1460

Melting Onset (Solidus), °C		1590
Melting Onset (Solidus), °C		1410

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		480

Thermal Expansion, µm/m-K		9.9
Thermal Expansion, µm/m-K		14

Otherwise Unclassified Properties

Base Metal Price, % relative		75
Base Metal Price, % relative		13

Density, g/cm³		9.3
Density, g/cm³		7.8

Embodied Carbon, kg CO₂/kg material		16
Embodied Carbon, kg CO₂/kg material		2.9

Embodied Energy, MJ/kg		200
Embodied Energy, MJ/kg		42

Embodied Water, L/kg		270
Embodied Water, L/kg		100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		110
Resilience: Ultimate (Unit Rupture Work), MJ/m³		110

Resilience: Unit (Modulus of Resilience), kJ/m³		220
Resilience: Unit (Modulus of Resilience), kJ/m³		380

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		22
Stiffness to Weight: Bending, points		25

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

Strength to Weight: Bending, points		17
Strength to Weight: Bending, points		18

Thermal Shock Resistance, points		19
Thermal Shock Resistance, points		14

Alloy Composition

Carbon (C), %		0 to 0.070
Carbon (C), %		0 to 0.12

Chromium (Cr), %		0 to 1.0
Chromium (Cr), %		11 to 14

Copper (Cu), %		0
Copper (Cu), %		0 to 0.75

Iron (Fe), %		0 to 3.0
Iron (Fe), %		80.2 to 88.5

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

Molybdenum (Mo), %		30 to 33
Molybdenum (Mo), %		0 to 0.75

Nickel (Ni), %		60.9 to 70
Nickel (Ni), %		0 to 0.6

Niobium (Nb), %		0
Niobium (Nb), %		0.5 to 1.5

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0 to 0.040

Silicon (Si), %		0 to 1.0
Silicon (Si), %		0 to 1.0

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