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Grade 365 Molybdenum vs. SAE-AISI S6 Steel

Grade 365 molybdenum belongs to the otherwise unclassified metals classification, while SAE-AISI S6 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 365 molybdenum and the bottom bar is SAE-AISI S6 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
72
Tensile Strength: Ultimate (UTS), MPa 620
670 to 1920

Thermal Properties

Latent Heat of Fusion, J/g 370
290
Specific Heat Capacity, J/kg-K 250
480
Thermal Expansion, µm/m-K 7.0
12

Otherwise Unclassified Properties

Density, g/cm3 10
7.7
Embodied Carbon, kg CO2/kg material 28
2.3
Embodied Energy, MJ/kg 330
33
Embodied Water, L/kg 360
56

Common Calculations

Stiffness to Weight: Axial, points 17
13
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 17
24 to 70
Strength to Weight: Bending, points 16
22 to 45
Thermal Shock Resistance, points 21
22 to 64

Alloy Composition

Carbon (C), % 0 to 0.010
0.4 to 0.5
Chromium (Cr), % 0
1.2 to 1.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 0.010
92.8 to 94.7
Manganese (Mn), % 0
1.2 to 1.5
Molybdenum (Mo), % 99.9 to 100
0.3 to 0.5
Nickel (Ni), % 0 to 0.0020
0
Nitrogen (N), % 0 to 0.0020
0
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.010
2.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.2 to 0.4