SAE-AISI 4150 Steel vs. Grade 360 Molybdenum

SAE-AISI 4150 steel belongs to the iron alloys classification, while grade 360 molybdenum belongs to the otherwise unclassified metals. 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 SAE-AISI 4150 steel and the bottom bar is grade 360 molybdenum.

SAE-AISI 4150 (G41500) Cr-Mo Steel Grade 360 Molybdenum

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		310

Elongation at Break, %		12 to 20
Elongation at Break, %		6.3 to 17

Poisson's Ratio		0.29
Poisson's Ratio		0.31

Shear Modulus, GPa		73
Shear Modulus, GPa		120

Tensile Strength: Ultimate (UTS), MPa		660 to 1310
Tensile Strength: Ultimate (UTS), MPa		430 to 620

Tensile Strength: Yield (Proof), MPa		380 to 1220
Tensile Strength: Yield (Proof), MPa		270 to 530

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		370

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		250

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		7.0

Otherwise Unclassified Properties

Density, g/cm³		7.8
Density, g/cm³		10

Embodied Carbon, kg CO₂/kg material		1.5
Embodied Carbon, kg CO₂/kg material		28

Embodied Energy, MJ/kg		20
Embodied Energy, MJ/kg		330

Embodied Water, L/kg		51
Embodied Water, L/kg		360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		82 to 180
Resilience: Ultimate (Unit Rupture Work), MJ/m³		37 to 64

Resilience: Unit (Modulus of Resilience), kJ/m³		380 to 3930
Resilience: Unit (Modulus of Resilience), kJ/m³		120 to 450

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		17

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

Strength to Weight: Axial, points		24 to 47
Strength to Weight: Axial, points		12 to 17

Strength to Weight: Bending, points		22 to 34
Strength to Weight: Bending, points		12 to 16

Thermal Shock Resistance, points		19 to 39
Thermal Shock Resistance, points		14 to 21

Alloy Composition

Carbon (C), %		0.48 to 0.53
Carbon (C), %		0 to 0.030

Chromium (Cr), %		0.8 to 1.1
Chromium (Cr), %		0

Iron (Fe), %		96.7 to 97.7
Iron (Fe), %		0 to 0.010

Manganese (Mn), %		0.75 to 1.0
Manganese (Mn), %		0

Molybdenum (Mo), %		0.15 to 0.25
Molybdenum (Mo), %		99.9 to 100

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.0020

Nitrogen (N), %		0
Nitrogen (N), %		0 to 0.0020

Oxygen (O), %		0
Oxygen (O), %		0 to 0.0015

Phosphorus (P), %		0 to 0.035
Phosphorus (P), %		0

Silicon (Si), %		0.15 to 0.35
Silicon (Si), %		0 to 0.010

Sulfur (S), %		0 to 0.040
Sulfur (S), %		0