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Grade 366 Molybdenum vs. SAE-AISI 1017 Steel

Grade 366 molybdenum belongs to the otherwise unclassified metals classification, while SAE-AISI 1017 steel belongs to the iron alloys. There are 20 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 366 molybdenum and the bottom bar is SAE-AISI 1017 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 300
190
Elongation at Break, % 2.2
20 to 30
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 120
73
Tensile Strength: Ultimate (UTS), MPa 580
420 to 460
Tensile Strength: Yield (Proof), MPa 470
220 to 390

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Specific Heat Capacity, J/kg-K 210
470
Thermal Expansion, µm/m-K 7.6
12

Otherwise Unclassified Properties

Density, g/cm3 12
7.9
Embodied Carbon, kg CO2/kg material 27
1.4
Embodied Energy, MJ/kg 340
18
Embodied Water, L/kg 300
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12
88 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 370
130 to 400
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 13
15 to 16
Strength to Weight: Bending, points 13
16 to 17
Thermal Shock Resistance, points 18
13 to 14

Alloy Composition

Carbon (C), % 0 to 0.030
0.15 to 0.2
Iron (Fe), % 0 to 0.010
99.11 to 99.55
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 66.9 to 73
0
Nickel (Ni), % 0 to 0.0020
0
Nitrogen (N), % 0 to 0.0020
0
Oxygen (O), % 0 to 0.0025
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.010
0
Sulfur (S), % 0
0 to 0.050
Tungsten (W), % 27 to 33
0