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EN 1.4606 Stainless Steel vs. Grade 366 Molybdenum

EN 1.4606 stainless steel belongs to the iron alloys classification, while grade 366 molybdenum belongs to the otherwise unclassified metals. 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 EN 1.4606 stainless steel and the bottom bar is grade 366 molybdenum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
300
Elongation at Break, % 23 to 39
2.2
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 75
120
Tensile Strength: Ultimate (UTS), MPa 600 to 1020
580
Tensile Strength: Yield (Proof), MPa 280 to 630
470

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Specific Heat Capacity, J/kg-K 470
210
Thermal Expansion, µm/m-K 11
7.6

Otherwise Unclassified Properties

Density, g/cm3 7.9
12
Embodied Carbon, kg CO2/kg material 6.0
27
Embodied Energy, MJ/kg 87
340
Embodied Water, L/kg 170
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 200
12
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 1010
370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 21 to 36
13
Strength to Weight: Bending, points 20 to 28
13
Thermal Shock Resistance, points 21 to 35
18

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 13 to 16
0
Iron (Fe), % 49.2 to 59
0 to 0.010
Manganese (Mn), % 1.0 to 2.0
0
Molybdenum (Mo), % 1.0 to 1.5
66.9 to 73
Nickel (Ni), % 24 to 27
0 to 0.0020
Nitrogen (N), % 0
0 to 0.0020
Oxygen (O), % 0
0 to 0.0025
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 1.0
0 to 0.010
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 1.9 to 2.3
0
Tungsten (W), % 0
27 to 33
Vanadium (V), % 0.1 to 0.5
0