SAE-AISI M4 Steel vs. 60Cr-40Ni Alloy

SAE-AISI M4 steel belongs to the iron alloys classification, while 60Cr-40Ni alloy belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M4 steel and the bottom bar is 60Cr-40Ni alloy.

SAE-AISI M4 (T11304) Molybdenum High-Speed Steel 60Cr-40Ni (R20600) Casting Alloy

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.29
Poisson's Ratio		0.25

Shear Modulus, GPa		76
Shear Modulus, GPa		87

Tensile Strength: Ultimate (UTS), MPa		770 to 2150
Tensile Strength: Ultimate (UTS), MPa		870

Thermal Properties

Latent Heat of Fusion, J/g		260
Latent Heat of Fusion, J/g		370

Specific Heat Capacity, J/kg-K		440
Specific Heat Capacity, J/kg-K		490

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

Otherwise Unclassified Properties

Base Metal Price, % relative		25
Base Metal Price, % relative		49

Density, g/cm³		8.3
Density, g/cm³		7.8

Embodied Carbon, kg CO₂/kg material		14
Embodied Carbon, kg CO₂/kg material		7.4

Embodied Energy, MJ/kg		210
Embodied Energy, MJ/kg		110

Embodied Water, L/kg		110
Embodied Water, L/kg		380

Common Calculations

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		16

Stiffness to Weight: Bending, points		23
Stiffness to Weight: Bending, points		26

Strength to Weight: Axial, points		26 to 72
Strength to Weight: Axial, points		31

Strength to Weight: Bending, points		23 to 45
Strength to Weight: Bending, points		26

Thermal Shock Resistance, points		24 to 68
Thermal Shock Resistance, points		18

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.25

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

Chromium (Cr), %		3.8 to 4.8
Chromium (Cr), %		58 to 62

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

Iron (Fe), %		75.9 to 81.4
Iron (Fe), %		0 to 1.0

Manganese (Mn), %		0.15 to 0.4
Manganese (Mn), %		0 to 0.3

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

Nickel (Ni), %		0 to 0.3
Nickel (Ni), %		34.5 to 42

Nitrogen (N), %		0
Nitrogen (N), %		0 to 0.3

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

Silicon (Si), %		0.2 to 0.45
Silicon (Si), %		0 to 1.0

Sulfur (S), %		0 to 0.030
Sulfur (S), %		0 to 0.020

Titanium (Ti), %		0
Titanium (Ti), %		0 to 0.5

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

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