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Grade 364 Molybdenum vs. S44635 Stainless Steel

Grade 364 molybdenum belongs to the otherwise unclassified metals classification, while S44635 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 364 molybdenum and the bottom bar is S44635 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 310
210
Elongation at Break, % 6.2 to 11
23
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 120
81
Tensile Strength: Ultimate (UTS), MPa 580 to 720
710
Tensile Strength: Yield (Proof), MPa 350 to 620
580

Thermal Properties

Latent Heat of Fusion, J/g 370
300
Specific Heat Capacity, J/kg-K 250
470
Thermal Expansion, µm/m-K 7.0
11

Otherwise Unclassified Properties

Density, g/cm3 10
7.8
Embodied Carbon, kg CO2/kg material 28
4.4
Embodied Energy, MJ/kg 330
62
Embodied Water, L/kg 360
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43 to 57
150
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 630
810
Stiffness to Weight: Axial, points 17
15
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 16 to 20
25
Strength to Weight: Bending, points 15 to 17
23
Thermal Shock Resistance, points 19 to 24
23

Alloy Composition

Carbon (C), % 0.010 to 0.040
0 to 0.025
Chromium (Cr), % 0
24.5 to 26
Iron (Fe), % 0 to 0.010
61.5 to 68.5
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 99.2 to 99.5
3.5 to 4.5
Nickel (Ni), % 0 to 0.0050
3.5 to 4.5
Niobium (Nb), % 0
0.2 to 0.8
Nitrogen (N), % 0 to 0.0020
0 to 0.035
Oxygen (O), % 0 to 0.030
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.0050
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0.4 to 0.55
0.2 to 0.8
Zirconium (Zr), % 0.060 to 0.12
0