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Grade 363 Molybdenum vs. Grade FDSiCrV Steel

Grade 363 molybdenum belongs to the otherwise unclassified metals classification, while grade FDSiCrV steel belongs to the iron alloys. There are 16 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 grade 363 molybdenum and the bottom bar is grade FDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 310
190
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 120
80
Tensile Strength: Ultimate (UTS), MPa 580 to 720
2100

Thermal Properties

Latent Heat of Fusion, J/g 370
270
Specific Heat Capacity, J/kg-K 250
480
Thermal Expansion, µm/m-K 7.0
13

Otherwise Unclassified Properties

Density, g/cm3 10
7.7
Embodied Carbon, kg CO2/kg material 28
1.9
Embodied Energy, MJ/kg 330
26
Embodied Water, L/kg 360
50

Common Calculations

Stiffness to Weight: Axial, points 17
13
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 16 to 20
75
Strength to Weight: Bending, points 15 to 17
47
Thermal Shock Resistance, points 19 to 24
63

Alloy Composition

Carbon (C), % 0.010 to 0.030
0.5 to 0.7
Chromium (Cr), % 0
0.5 to 1.0
Copper (Cu), % 0
0 to 0.12
Iron (Fe), % 0 to 0.010
96 to 97.8
Manganese (Mn), % 0
0.4 to 0.9
Molybdenum (Mo), % 99.3 to 99.5
0
Nickel (Ni), % 0 to 0.0020
0
Nitrogen (N), % 0 to 0.0020
0
Oxygen (O), % 0 to 0.0030
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.010
1.2 to 1.7
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0.4 to 0.55
0
Vanadium (V), % 0
0.1 to 0.25
Zirconium (Zr), % 0.060 to 0.12
0