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Grade 365 Molybdenum vs. SAE-AISI A8 Steel

Grade 365 molybdenum belongs to the otherwise unclassified metals classification, while SAE-AISI A8 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 A8 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
74
Tensile Strength: Ultimate (UTS), MPa 620
700 to 1920

Thermal Properties

Latent Heat of Fusion, J/g 370
270
Specific Heat Capacity, J/kg-K 250
470
Thermal Expansion, µm/m-K 7.0
12

Otherwise Unclassified Properties

Density, g/cm3 10
7.9
Embodied Carbon, kg CO2/kg material 28
2.3
Embodied Energy, MJ/kg 330
31
Embodied Water, L/kg 360
73

Common Calculations

Stiffness to Weight: Axial, points 17
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 17
25 to 68
Strength to Weight: Bending, points 16
22 to 44
Thermal Shock Resistance, points 21
22 to 62

Alloy Composition

Carbon (C), % 0 to 0.010
0.5 to 0.6
Chromium (Cr), % 0
4.8 to 5.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 0.010
88.5 to 91.9
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 99.9 to 100
1.2 to 1.7
Nickel (Ni), % 0 to 0.0020
0 to 0.3
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
0.75 to 1.1
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
1.0 to 1.5