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Grade 366 Molybdenum vs. EN 1.4710 Stainless Steel

Grade 366 molybdenum belongs to the otherwise unclassified metals classification, while EN 1.4710 stainless steel belongs to the iron alloys. There are 13 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is grade 366 molybdenum and the bottom bar is EN 1.4710 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 300
190
Elongation at Break, % 2.2
20
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 120
74

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Specific Heat Capacity, J/kg-K 210
480
Thermal Expansion, µm/m-K 7.6
9.9

Otherwise Unclassified Properties

Density, g/cm3 12
7.7
Embodied Carbon, kg CO2/kg material 27
1.8
Embodied Energy, MJ/kg 340
24
Embodied Water, L/kg 300
76

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 18
25

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.35
Chromium (Cr), % 0
6.0 to 8.0
Iron (Fe), % 0 to 0.010
87.4 to 92.3
Manganese (Mn), % 0
0.5 to 1.0
Molybdenum (Mo), % 66.9 to 73
0 to 0.15
Nickel (Ni), % 0 to 0.0020
0 to 0.5
Nitrogen (N), % 0 to 0.0020
0
Oxygen (O), % 0 to 0.0025
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.010
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 27 to 33
0