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Grade 363 Molybdenum vs. SAE-AISI P20 Steel

Grade 363 molybdenum belongs to the otherwise unclassified metals classification, while SAE-AISI P20 steel belongs to the iron alloys. There are 16 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 363 molybdenum and the bottom bar is SAE-AISI P20 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
73
Tensile Strength: Ultimate (UTS), MPa 580 to 720
540 to 1050

Thermal Properties

Latent Heat of Fusion, J/g 370
260
Specific Heat Capacity, J/kg-K 250
470
Thermal Expansion, µm/m-K 7.0
12

Otherwise Unclassified Properties

Density, g/cm3 10
7.8
Embodied Carbon, kg CO2/kg material 28
1.6
Embodied Energy, MJ/kg 330
21
Embodied Water, L/kg 360
52

Common Calculations

Stiffness to Weight: Axial, points 17
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 16 to 20
19 to 37
Strength to Weight: Bending, points 15 to 17
19 to 29
Thermal Shock Resistance, points 19 to 24
18 to 35

Alloy Composition

Carbon (C), % 0.010 to 0.030
0.28 to 0.4
Chromium (Cr), % 0
0.4 to 2.0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 0.010
95.2 to 98.5
Manganese (Mn), % 0
0.35 to 0.71
Molybdenum (Mo), % 99.3 to 99.5
0.3 to 0.55
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
0.2 to 0.8
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0.4 to 0.55
0
Zirconium (Zr), % 0.060 to 0.12
0