N10665 Nickel vs. SAE-AISI M7 Steel

N10665 nickel belongs to the nickel alloys classification, while SAE-AISI M7 steel belongs to the iron alloys. There are 21 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 N10665 nickel and the bottom bar is SAE-AISI M7 steel.

UNS N10665 (2.4617, NiMo28) Nickel-Molybdenum Alloy SAE-AISI M7 (T11307) Molybdenum High-Speed Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		220
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.31
Poisson's Ratio		0.29

Shear Modulus, GPa		84
Shear Modulus, GPa		77

Tensile Strength: Ultimate (UTS), MPa		860
Tensile Strength: Ultimate (UTS), MPa		760 to 2210

Thermal Properties

Latent Heat of Fusion, J/g		310
Latent Heat of Fusion, J/g		270

Melting Completion (Liquidus), °C		1620
Melting Completion (Liquidus), °C		1560

Melting Onset (Solidus), °C		1570
Melting Onset (Solidus), °C		1510

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

Thermal Conductivity, W/m-K		11
Thermal Conductivity, W/m-K		28

Thermal Expansion, µm/m-K		10
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Base Metal Price, % relative		75
Base Metal Price, % relative		18

Density, g/cm³		9.3
Density, g/cm³		8.1

Embodied Carbon, kg CO₂/kg material		15
Embodied Carbon, kg CO₂/kg material		8.9

Embodied Energy, MJ/kg		200
Embodied Energy, MJ/kg		130

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

Common Calculations

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

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

Strength to Weight: Axial, points		26
Strength to Weight: Axial, points		26 to 76

Strength to Weight: Bending, points		22
Strength to Weight: Bending, points		23 to 47

Thermal Diffusivity, mm²/s		3.1
Thermal Diffusivity, mm²/s		7.8

Thermal Shock Resistance, points		27
Thermal Shock Resistance, points		24 to 69

Alloy Composition

Carbon (C), %		0 to 0.020
Carbon (C), %		1.0 to 1.1

Chromium (Cr), %		0 to 1.0
Chromium (Cr), %		3.5 to 4.0

Cobalt (Co), %		0 to 1.0
Cobalt (Co), %		0

Copper (Cu), %		0
Copper (Cu), %		0 to 0.25

Iron (Fe), %		0 to 2.0
Iron (Fe), %		79.8 to 83.8

Manganese (Mn), %		0 to 1.0
Manganese (Mn), %		0.15 to 0.4

Molybdenum (Mo), %		26 to 30
Molybdenum (Mo), %		8.2 to 9.2

Nickel (Ni), %		64.8 to 74
Nickel (Ni), %		0 to 0.3

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		0 to 0.1
Silicon (Si), %		0.2 to 0.55

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

Tungsten (W), %		0
Tungsten (W), %		1.4 to 2.1

Vanadium (V), %		0
Vanadium (V), %		1.8 to 2.3