SAE-AISI M41 Steel vs. N08135 Stainless Steel

Both SAE-AISI M41 steel and N08135 stainless steel are iron alloys. They have 46% of their average alloy composition in common. There are 20 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 SAE-AISI M41 steel and the bottom bar is N08135 stainless steel.

SAE-AISI M41 (T11341) Molybdenum High-Speed Steel UNS N08135 Iron-Nickel-Chromium Alloy

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.29
Poisson's Ratio		0.28

Shear Modulus, GPa		77
Shear Modulus, GPa		80

Tensile Strength: Ultimate (UTS), MPa		800 to 2290
Tensile Strength: Ultimate (UTS), MPa		570

Thermal Properties

Latent Heat of Fusion, J/g		260
Latent Heat of Fusion, J/g		310

Melting Completion (Liquidus), °C		1600
Melting Completion (Liquidus), °C		1440

Melting Onset (Solidus), °C		1550
Melting Onset (Solidus), °C		1390

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

Thermal Expansion, µm/m-K		12
Thermal Expansion, µm/m-K		16

Otherwise Unclassified Properties

Base Metal Price, % relative		33
Base Metal Price, % relative		39

Density, g/cm³		8.4
Density, g/cm³		8.2

Embodied Carbon, kg CO₂/kg material		9.1
Embodied Carbon, kg CO₂/kg material		6.8

Embodied Energy, MJ/kg		140
Embodied Energy, MJ/kg		94

Embodied Water, L/kg		120
Embodied Water, L/kg		220

Common Calculations

PREN (Pitting Resistance)		28
PREN (Pitting Resistance)		38

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

Stiffness to Weight: Bending, points		23
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		26 to 76
Strength to Weight: Axial, points		19

Strength to Weight: Bending, points		23 to 46
Strength to Weight: Bending, points		19

Thermal Shock Resistance, points		25 to 71
Thermal Shock Resistance, points		13

Alloy Composition

Carbon (C), %		1.1 to 1.2
Carbon (C), %		0 to 0.030

Chromium (Cr), %		3.8 to 4.5
Chromium (Cr), %		20.5 to 23.5

Cobalt (Co), %		4.8 to 5.8
Cobalt (Co), %		0

Copper (Cu), %		0 to 0.25
Copper (Cu), %		0 to 0.7

Iron (Fe), %		73.4 to 78.9
Iron (Fe), %		30.2 to 42.3

Manganese (Mn), %		0.2 to 0.6
Manganese (Mn), %		0 to 1.0

Molybdenum (Mo), %		3.3 to 4.3
Molybdenum (Mo), %		4.0 to 5.0

Nickel (Ni), %		0 to 0.3
Nickel (Ni), %		33 to 38

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

Silicon (Si), %		0.15 to 0.5
Silicon (Si), %		0 to 0.75

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

Tungsten (W), %		6.3 to 7.0
Tungsten (W), %		0.2 to 0.8

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