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Grade 366 Molybdenum vs. EN 1.4913 Stainless Steel

Grade 366 molybdenum belongs to the otherwise unclassified metals classification, while EN 1.4913 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 366 molybdenum and the bottom bar is EN 1.4913 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 300
190
Elongation at Break, % 2.2
14 to 22
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 120
75
Tensile Strength: Ultimate (UTS), MPa 580
870 to 980
Tensile Strength: Yield (Proof), MPa 470
480 to 850

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Specific Heat Capacity, J/kg-K 210
480
Thermal Expansion, µm/m-K 7.6
11

Otherwise Unclassified Properties

Density, g/cm3 12
7.8
Embodied Carbon, kg CO2/kg material 27
2.9
Embodied Energy, MJ/kg 340
41
Embodied Water, L/kg 300
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 370
600 to 1860
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 13
31 to 35
Strength to Weight: Bending, points 13
26 to 28
Thermal Shock Resistance, points 18
31 to 34

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0 to 0.0015
Carbon (C), % 0 to 0.030
0.17 to 0.23
Chromium (Cr), % 0
10 to 11.5
Iron (Fe), % 0 to 0.010
84.5 to 88.3
Manganese (Mn), % 0
0.4 to 0.9
Molybdenum (Mo), % 66.9 to 73
0.5 to 0.8
Nickel (Ni), % 0 to 0.0020
0.2 to 0.6
Niobium (Nb), % 0
0.25 to 0.55
Nitrogen (N), % 0 to 0.0020
0.050 to 0.1
Oxygen (O), % 0 to 0.0025
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.010
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Tungsten (W), % 27 to 33
0
Vanadium (V), % 0
0.1 to 0.3