Grade N7M Nickel vs. EN 1.7709 Steel

Grade N7M nickel belongs to the nickel alloys classification, while EN 1.7709 steel belongs to the iron alloys. 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 grade N7M nickel and the bottom bar is EN 1.7709 steel.

Grade N7M (J30007) Cast Nickel EN 1.7709 (21CrMoV5-7) Steel

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.31
Poisson's Ratio		0.29

Shear Modulus, GPa		85
Shear Modulus, GPa		73

Tensile Strength: Ultimate (UTS), MPa		590
Tensile Strength: Ultimate (UTS), MPa		650 to 780

Thermal Properties

Latent Heat of Fusion, J/g		320
Latent Heat of Fusion, J/g		250

Maximum Temperature: Mechanical, °C		900
Maximum Temperature: Mechanical, °C		440

Melting Completion (Liquidus), °C		1650
Melting Completion (Liquidus), °C		1470

Melting Onset (Solidus), °C		1590
Melting Onset (Solidus), °C		1420

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		470

Thermal Expansion, µm/m-K		9.9
Thermal Expansion, µm/m-K		11

Otherwise Unclassified Properties

Base Metal Price, % relative		75
Base Metal Price, % relative		3.4

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

Embodied Carbon, kg CO₂/kg material		16
Embodied Carbon, kg CO₂/kg material		2.3

Embodied Energy, MJ/kg		200
Embodied Energy, MJ/kg		32

Embodied Water, L/kg		270
Embodied Water, L/kg		56

Common Calculations

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

Stiffness to Weight: Bending, points		22
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		18
Strength to Weight: Axial, points		23 to 27

Strength to Weight: Bending, points		17
Strength to Weight: Bending, points		21 to 24

Thermal Shock Resistance, points		19
Thermal Shock Resistance, points		22 to 26

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.030

Carbon (C), %		0 to 0.070
Carbon (C), %		0.17 to 0.25

Chromium (Cr), %		0 to 1.0
Chromium (Cr), %		1.2 to 1.5

Iron (Fe), %		0 to 3.0
Iron (Fe), %		95.2 to 97.5

Manganese (Mn), %		0 to 1.0
Manganese (Mn), %		0.4 to 0.8

Molybdenum (Mo), %		30 to 33
Molybdenum (Mo), %		0.55 to 0.8

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

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0 to 0.025

Silicon (Si), %		0 to 1.0
Silicon (Si), %		0 to 0.4

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

Vanadium (V), %		0
Vanadium (V), %		0.2 to 0.35