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Grade 366 Molybdenum vs. EN 1.4596 Stainless Steel

Grade 366 molybdenum belongs to the otherwise unclassified metals classification, while EN 1.4596 stainless steel belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade 366 molybdenum and the bottom bar is EN 1.4596 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 300
200
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 120
76
Tensile Strength: Ultimate (UTS), MPa 580
1030 to 1600

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Specific Heat Capacity, J/kg-K 210
470
Thermal Expansion, µm/m-K 7.6
11

Otherwise Unclassified Properties

Density, g/cm3 12
7.9
Embodied Carbon, kg CO2/kg material 27
3.5
Embodied Energy, MJ/kg 340
48
Embodied Water, L/kg 300
130

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 13
36 to 56
Strength to Weight: Bending, points 13
29 to 39
Thermal Shock Resistance, points 18
35 to 54

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.1
Carbon (C), % 0 to 0.030
0 to 0.015
Chromium (Cr), % 0
11.5 to 12.5
Iron (Fe), % 0 to 0.010
73.4 to 76.4
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 66.9 to 73
1.9 to 2.2
Nickel (Ni), % 0 to 0.0020
9.2 to 10.2
Nitrogen (N), % 0 to 0.0020
0 to 0.020
Oxygen (O), % 0 to 0.0025
0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.010
0 to 0.1
Sulfur (S), % 0
0 to 0.0050
Titanium (Ti), % 0
0.28 to 0.4
Tungsten (W), % 27 to 33
0