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Grade 366 Molybdenum vs. N08535 Stainless Steel

Grade 366 molybdenum belongs to the otherwise unclassified metals classification, while N08535 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade 366 molybdenum and the bottom bar is N08535 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 300
200
Elongation at Break, % 2.2
46
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 120
80
Tensile Strength: Ultimate (UTS), MPa 580
570
Tensile Strength: Yield (Proof), MPa 470
240

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Specific Heat Capacity, J/kg-K 210
470
Thermal Expansion, µm/m-K 7.6
16

Otherwise Unclassified Properties

Density, g/cm3 12
8.1
Embodied Carbon, kg CO2/kg material 27
6.3
Embodied Energy, MJ/kg 340
87
Embodied Water, L/kg 300
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12
210
Resilience: Unit (Modulus of Resilience), kJ/m3 370
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 13
20
Strength to Weight: Bending, points 13
19
Thermal Shock Resistance, points 18
13

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 0
24 to 27
Copper (Cu), % 0
0 to 1.5
Iron (Fe), % 0 to 0.010
29.4 to 44.5
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 66.9 to 73
2.5 to 4.0
Nickel (Ni), % 0 to 0.0020
29 to 36.5
Nitrogen (N), % 0 to 0.0020
0
Oxygen (O), % 0 to 0.0025
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.010
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 27 to 33
0