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Grade 366 Molybdenum vs. SAE-AISI 1132 Steel

Grade 366 molybdenum belongs to the otherwise unclassified metals classification, while SAE-AISI 1132 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 1132 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 300
190
Elongation at Break, % 2.2
14 to 18
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 120
73
Tensile Strength: Ultimate (UTS), MPa 580
640 to 720
Tensile Strength: Yield (Proof), MPa 470
350 to 590

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
13

Otherwise Unclassified Properties

Density, g/cm3 12
7.8
Embodied Carbon, kg CO2/kg material 27
1.4
Embodied Energy, MJ/kg 340
19
Embodied Water, L/kg 300
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12
93 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 370
330 to 940
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 13
23 to 25
Strength to Weight: Bending, points 13
21 to 23
Thermal Shock Resistance, points 18
19 to 22

Alloy Composition

Carbon (C), % 0 to 0.030
0.24 to 0.34
Iron (Fe), % 0 to 0.010
97.8 to 98.3
Manganese (Mn), % 0
1.4 to 1.7
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
0.080 to 0.13
Tungsten (W), % 27 to 33
0