Grade 363 Molybdenum vs. S46500 Stainless Steel

Grade 363 molybdenum belongs to the otherwise unclassified metals classification, while S46500 stainless steel belongs to the iron alloys. There are 19 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 grade 363 molybdenum and the bottom bar is S46500 stainless steel.

Grade 363 Molybdenum UNS S46500 (Alloy 465) Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		6.2 to 11
Elongation at Break, %		2.3 to 14

Poisson's Ratio		0.31
Poisson's Ratio		0.28

Shear Modulus, GPa		120
Shear Modulus, GPa		75

Tensile Strength: Ultimate (UTS), MPa		580 to 720
Tensile Strength: Ultimate (UTS), MPa		1260 to 1930

Tensile Strength: Yield (Proof), MPa		350 to 620
Tensile Strength: Yield (Proof), MPa		1120 to 1810

Thermal Properties

Latent Heat of Fusion, J/g		370
Latent Heat of Fusion, J/g		280

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

Thermal Expansion, µm/m-K		7.0
Thermal Expansion, µm/m-K		11

Otherwise Unclassified Properties

Density, g/cm³		10
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		28
Embodied Carbon, kg CO₂/kg material		3.6

Embodied Energy, MJ/kg		330
Embodied Energy, MJ/kg		51

Embodied Water, L/kg		360
Embodied Water, L/kg		120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		43 to 57
Resilience: Ultimate (Unit Rupture Work), MJ/m³		43 to 210

Stiffness to Weight: Axial, points		17
Stiffness to Weight: Axial, points		14

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

Strength to Weight: Axial, points		16 to 20
Strength to Weight: Axial, points		44 to 68

Strength to Weight: Bending, points		15 to 17
Strength to Weight: Bending, points		33 to 44

Thermal Shock Resistance, points		19 to 24
Thermal Shock Resistance, points		44 to 67

Alloy Composition

Carbon (C), %		0.010 to 0.030
Carbon (C), %		0 to 0.020

Chromium (Cr), %		0
Chromium (Cr), %		11 to 12.5

Iron (Fe), %		0 to 0.010
Iron (Fe), %		72.6 to 76.1

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.25

Molybdenum (Mo), %		99.3 to 99.5
Molybdenum (Mo), %		0.75 to 1.3

Nickel (Ni), %		0 to 0.0020
Nickel (Ni), %		10.7 to 11.3

Nitrogen (N), %		0 to 0.0020
Nitrogen (N), %		0 to 0.010

Oxygen (O), %		0 to 0.0030
Oxygen (O), %		0

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.015

Silicon (Si), %		0 to 0.010
Silicon (Si), %		0 to 0.25

Sulfur (S), %		0
Sulfur (S), %		0 to 0.010

Titanium (Ti), %		0.4 to 0.55
Titanium (Ti), %		1.5 to 1.8

Zirconium (Zr), %		0.060 to 0.12
Zirconium (Zr), %		0