Grade 360 Molybdenum vs. S32750 Stainless Steel

Grade 360 molybdenum belongs to the otherwise unclassified metals classification, while S32750 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is grade 360 molybdenum and the bottom bar is S32750 stainless steel.

Grade 360 Molybdenum UNS S32750 (Alloy 2507) Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		310
Elastic (Young's, Tensile) Modulus, GPa		210

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

Poisson's Ratio		0.31
Poisson's Ratio		0.27

Shear Modulus, GPa		120
Shear Modulus, GPa		81

Tensile Strength: Ultimate (UTS), MPa		430 to 620
Tensile Strength: Ultimate (UTS), MPa		860

Tensile Strength: Yield (Proof), MPa		270 to 530
Tensile Strength: Yield (Proof), MPa		590

Thermal Properties

Latent Heat of Fusion, J/g		370
Latent Heat of Fusion, J/g		300

Specific Heat Capacity, J/kg-K		250
Specific Heat Capacity, J/kg-K		480

Thermal Expansion, µm/m-K		7.0
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

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

Embodied Carbon, kg CO₂/kg material		28
Embodied Carbon, kg CO₂/kg material		4.1

Embodied Energy, MJ/kg		330
Embodied Energy, MJ/kg		56

Embodied Water, L/kg		360
Embodied Water, L/kg		180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		37 to 64
Resilience: Ultimate (Unit Rupture Work), MJ/m³		130

Resilience: Unit (Modulus of Resilience), kJ/m³		120 to 450
Resilience: Unit (Modulus of Resilience), kJ/m³		860

Stiffness to Weight: Axial, points		17
Stiffness to Weight: Axial, points		15

Stiffness to Weight: Bending, points		22
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		12 to 17
Strength to Weight: Axial, points		31

Strength to Weight: Bending, points		12 to 16
Strength to Weight: Bending, points		26

Thermal Shock Resistance, points		14 to 21
Thermal Shock Resistance, points		25

Alloy Composition

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

Chromium (Cr), %		0
Chromium (Cr), %		24 to 26

Copper (Cu), %		0
Copper (Cu), %		0 to 0.5

Iron (Fe), %		0 to 0.010
Iron (Fe), %		58.1 to 66.8

Manganese (Mn), %		0
Manganese (Mn), %		0 to 1.2

Molybdenum (Mo), %		99.9 to 100
Molybdenum (Mo), %		3.0 to 5.0

Nickel (Ni), %		0 to 0.0020
Nickel (Ni), %		6.0 to 8.0

Nitrogen (N), %		0 to 0.0020
Nitrogen (N), %		0.24 to 0.32

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

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

Silicon (Si), %		0 to 0.010
Silicon (Si), %		0 to 0.8

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