EN 1.5662 Steel vs. SAE-AISI M4 Steel

Both EN 1.5662 steel and SAE-AISI M4 steel are iron alloys. They have 79% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is EN 1.5662 steel and the bottom bar is SAE-AISI M4 steel.

EN 1.5662 (X8Ni9) Nickel Steel SAE-AISI M4 (T11304) Molybdenum High-Speed Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.29
Poisson's Ratio		0.29

Shear Modulus, GPa		73
Shear Modulus, GPa		76

Tensile Strength: Ultimate (UTS), MPa		740 to 750
Tensile Strength: Ultimate (UTS), MPa		770 to 2150

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		260

Melting Completion (Liquidus), °C		1460
Melting Completion (Liquidus), °C		1610

Melting Onset (Solidus), °C		1410
Melting Onset (Solidus), °C		1560

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		440

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Base Metal Price, % relative		7.5
Base Metal Price, % relative		25

Density, g/cm³		8.0
Density, g/cm³		8.3

Embodied Carbon, kg CO₂/kg material		2.3
Embodied Carbon, kg CO₂/kg material		14

Embodied Energy, MJ/kg		31
Embodied Energy, MJ/kg		210

Embodied Water, L/kg		63
Embodied Water, L/kg		110

Common Calculations

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

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

Strength to Weight: Axial, points		26
Strength to Weight: Axial, points		26 to 72

Strength to Weight: Bending, points		23
Strength to Weight: Bending, points		23 to 45

Thermal Shock Resistance, points		22
Thermal Shock Resistance, points		24 to 68

Alloy Composition

Carbon (C), %		0 to 0.1
Carbon (C), %		1.3 to 1.4

Chromium (Cr), %		0
Chromium (Cr), %		3.8 to 4.8

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

Iron (Fe), %		88.6 to 91.2
Iron (Fe), %		75.9 to 81.4

Manganese (Mn), %		0.3 to 0.8
Manganese (Mn), %		0.15 to 0.4

Molybdenum (Mo), %		0 to 0.1
Molybdenum (Mo), %		4.3 to 5.5

Nickel (Ni), %		8.5 to 10
Nickel (Ni), %		0 to 0.3

Phosphorus (P), %		0 to 0.020
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		0 to 0.35
Silicon (Si), %		0.2 to 0.45

Sulfur (S), %		0 to 0.0050
Sulfur (S), %		0 to 0.030

Tungsten (W), %		0
Tungsten (W), %		5.3 to 6.5

Vanadium (V), %		0 to 0.050
Vanadium (V), %		3.8 to 4.5