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S40930 Stainless Steel vs. Grade 361 Molybdenum

S40930 stainless steel belongs to the iron alloys classification, while grade 361 molybdenum belongs to the otherwise unclassified metals. 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 S40930 stainless steel and the bottom bar is grade 361 molybdenum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
310
Elongation at Break, % 23
6.3
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 75
120
Tensile Strength: Ultimate (UTS), MPa 430
620
Tensile Strength: Yield (Proof), MPa 190
530

Thermal Properties

Latent Heat of Fusion, J/g 270
370
Specific Heat Capacity, J/kg-K 480
250
Thermal Expansion, µm/m-K 10
7.0

Otherwise Unclassified Properties

Density, g/cm3 7.8
10
Embodied Carbon, kg CO2/kg material 2.3
28
Embodied Energy, MJ/kg 32
330
Embodied Water, L/kg 94
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
37
Resilience: Unit (Modulus of Resilience), kJ/m3 94
450
Stiffness to Weight: Axial, points 14
17
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 16
17
Strength to Weight: Bending, points 16
16
Thermal Shock Resistance, points 16
21

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.010
Chromium (Cr), % 10.5 to 11.7
0
Iron (Fe), % 84.7 to 89.4
0 to 0.010
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0
99.9 to 100
Nickel (Ni), % 0 to 0.5
0 to 0.0050
Niobium (Nb), % 0.080 to 0.75
0
Nitrogen (N), % 0 to 0.030
0 to 0.0020
Oxygen (O), % 0
0 to 0.0070
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.010
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0.050 to 0.2
0