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Grade 360 Molybdenum vs. S44625 Stainless Steel

Grade 360 molybdenum belongs to the otherwise unclassified metals classification, while S44625 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 360 molybdenum and the bottom bar is S44625 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 310
200
Elongation at Break, % 6.3 to 17
22
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 120
80
Tensile Strength: Ultimate (UTS), MPa 430 to 620
590
Tensile Strength: Yield (Proof), MPa 270 to 530
360

Thermal Properties

Latent Heat of Fusion, J/g 370
290
Specific Heat Capacity, J/kg-K 250
480
Thermal Expansion, µm/m-K 7.0
11

Otherwise Unclassified Properties

Density, g/cm3 10
7.7
Embodied Carbon, kg CO2/kg material 28
2.8
Embodied Energy, MJ/kg 330
39
Embodied Water, L/kg 360
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 64
110
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 450
310
Stiffness to Weight: Axial, points 17
15
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 12 to 17
21
Strength to Weight: Bending, points 12 to 16
20
Thermal Shock Resistance, points 14 to 21
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.010
Chromium (Cr), % 0
25 to 27.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 0 to 0.010
69.4 to 74.3
Manganese (Mn), % 0
0 to 0.4
Molybdenum (Mo), % 99.9 to 100
0.75 to 1.5
Nickel (Ni), % 0 to 0.0020
0 to 0.5
Nitrogen (N), % 0 to 0.0020
0 to 0.015
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.010
0 to 0.4
Sulfur (S), % 0
0 to 0.020