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Grade 363 Molybdenum vs. S30601 Stainless Steel

Grade 363 molybdenum belongs to the otherwise unclassified metals classification, while S30601 stainless steel belongs to the iron alloys. There are 20 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 S30601 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 310
190
Elongation at Break, % 6.2 to 11
37
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 120
75
Tensile Strength: Ultimate (UTS), MPa 580 to 720
660
Tensile Strength: Yield (Proof), MPa 350 to 620
300

Thermal Properties

Latent Heat of Fusion, J/g 370
370
Specific Heat Capacity, J/kg-K 250
500
Thermal Expansion, µm/m-K 7.0
15

Otherwise Unclassified Properties

Density, g/cm3 10
7.6
Embodied Carbon, kg CO2/kg material 28
3.9
Embodied Energy, MJ/kg 330
55
Embodied Water, L/kg 360
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43 to 57
200
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 630
230
Stiffness to Weight: Axial, points 17
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 16 to 20
24
Strength to Weight: Bending, points 15 to 17
22
Thermal Shock Resistance, points 19 to 24
16

Alloy Composition

Carbon (C), % 0.010 to 0.030
0 to 0.015
Chromium (Cr), % 0
17 to 18
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 0 to 0.010
56.9 to 60.5
Manganese (Mn), % 0
0.5 to 0.8
Molybdenum (Mo), % 99.3 to 99.5
0 to 0.2
Nickel (Ni), % 0 to 0.0020
17 to 18
Nitrogen (N), % 0 to 0.0020
0 to 0.050
Oxygen (O), % 0 to 0.0030
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.010
5.0 to 5.6
Sulfur (S), % 0
0 to 0.013
Titanium (Ti), % 0.4 to 0.55
0
Zirconium (Zr), % 0.060 to 0.12
0