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Grade 360 Molybdenum vs. S20910 Stainless Steel

Grade 360 molybdenum belongs to the otherwise unclassified metals classification, while S20910 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 S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 310
200
Elongation at Break, % 6.3 to 17
14 to 39
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 120
79
Tensile Strength: Ultimate (UTS), MPa 430 to 620
780 to 940
Tensile Strength: Yield (Proof), MPa 270 to 530
430 to 810

Thermal Properties

Latent Heat of Fusion, J/g 370
300
Specific Heat Capacity, J/kg-K 250
480
Thermal Expansion, µm/m-K 7.0
16

Otherwise Unclassified Properties

Density, g/cm3 10
7.8
Embodied Carbon, kg CO2/kg material 28
4.8
Embodied Energy, MJ/kg 330
68
Embodied Water, L/kg 360
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 64
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 450
460 to 1640
Stiffness to Weight: Axial, points 17
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 12 to 17
28 to 33
Strength to Weight: Bending, points 12 to 16
24 to 27
Thermal Shock Resistance, points 14 to 21
17 to 21

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 0
20.5 to 23.5
Iron (Fe), % 0 to 0.010
52.1 to 62.1
Manganese (Mn), % 0
4.0 to 6.0
Molybdenum (Mo), % 99.9 to 100
1.5 to 3.0
Nickel (Ni), % 0 to 0.0020
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0 to 0.0020
0.2 to 0.4
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.010
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3