AWS ERNiCrMo-2 vs. Grade N7M Nickel

Both AWS ERNiCrMo-2 and grade N7M nickel are nickel alloys. They have 59% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrMo-2 and the bottom bar is grade N7M nickel.

AWS ERNiCrMo-2 Weld Metal Grade N7M (J30007) Cast Nickel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		210
Elastic (Young's, Tensile) Modulus, GPa		220

Poisson's Ratio		0.28
Poisson's Ratio		0.31

Shear Modulus, GPa		81
Shear Modulus, GPa		85

Tensile Strength: Ultimate (UTS), MPa		750
Tensile Strength: Ultimate (UTS), MPa		590

Thermal Properties

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

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

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

Specific Heat Capacity, J/kg-K		450
Specific Heat Capacity, J/kg-K		390

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		9.9

Otherwise Unclassified Properties

Base Metal Price, % relative		55
Base Metal Price, % relative		75

Density, g/cm³		8.4
Density, g/cm³		9.3

Embodied Carbon, kg CO₂/kg material		9.2
Embodied Carbon, kg CO₂/kg material		16

Embodied Energy, MJ/kg		120
Embodied Energy, MJ/kg		200

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

Common Calculations

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

Stiffness to Weight: Bending, points		23
Stiffness to Weight: Bending, points		22

Strength to Weight: Axial, points		25
Strength to Weight: Axial, points		18

Strength to Weight: Bending, points		22
Strength to Weight: Bending, points		17

Thermal Shock Resistance, points		20
Thermal Shock Resistance, points		19

Alloy Composition

Carbon (C), %		0.050 to 0.15
Carbon (C), %		0 to 0.070

Chromium (Cr), %		20.5 to 23
Chromium (Cr), %		0 to 1.0

Cobalt (Co), %		0.5 to 2.5
Cobalt (Co), %		0

Copper (Cu), %		0 to 0.5
Copper (Cu), %		0

Iron (Fe), %		17 to 20
Iron (Fe), %		0 to 3.0

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

Molybdenum (Mo), %		8.0 to 10
Molybdenum (Mo), %		30 to 33

Nickel (Ni), %		40.3 to 53.8
Nickel (Ni), %		60.9 to 70

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

Tungsten (W), %		0.2 to 1.0
Tungsten (W), %		0

Residuals, %		0 to 0.5
Residuals, %		0