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Grade 365 Molybdenum vs. SAE-AISI 4047 Steel

Grade 365 molybdenum belongs to the otherwise unclassified metals classification, while SAE-AISI 4047 steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, 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 4047 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 310
190
Elongation at Break, % 6.3
23
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 120
73
Tensile Strength: Ultimate (UTS), MPa 620
580
Tensile Strength: Yield (Proof), MPa 530
310

Thermal Properties

Latent Heat of Fusion, J/g 370
250
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
1.5
Embodied Energy, MJ/kg 330
19
Embodied Water, L/kg 360
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
110
Resilience: Unit (Modulus of Resilience), kJ/m3 450
260
Stiffness to Weight: Axial, points 17
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 17
20
Strength to Weight: Bending, points 16
20
Thermal Shock Resistance, points 21
18

Alloy Composition

Carbon (C), % 0 to 0.010
0.45 to 0.5
Iron (Fe), % 0 to 0.010
97.9 to 98.5
Manganese (Mn), % 0
0.7 to 0.9
Molybdenum (Mo), % 99.9 to 100
0.2 to 0.3
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 0.035
Silicon (Si), % 0 to 0.010
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040