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Grade 364 Molybdenum vs. SAE-AISI 4027 Steel

Grade 364 molybdenum belongs to the otherwise unclassified metals classification, while SAE-AISI 4027 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 364 molybdenum and the bottom bar is SAE-AISI 4027 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 310
190
Elongation at Break, % 6.2 to 11
23
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 120
73
Tensile Strength: Ultimate (UTS), MPa 580 to 720
500
Tensile Strength: Yield (Proof), MPa 350 to 620
260

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 43 to 57
97
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 630
190
Stiffness to Weight: Axial, points 17
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 16 to 20
18
Strength to Weight: Bending, points 15 to 17
18
Thermal Shock Resistance, points 19 to 24
16

Alloy Composition

Carbon (C), % 0.010 to 0.040
0.25 to 0.3
Iron (Fe), % 0 to 0.010
98.1 to 98.7
Manganese (Mn), % 0
0.7 to 0.9
Molybdenum (Mo), % 99.2 to 99.5
0.2 to 0.3
Nickel (Ni), % 0 to 0.0050
0
Nitrogen (N), % 0 to 0.0020
0
Oxygen (O), % 0 to 0.030
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.0050
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 0.4 to 0.55
0
Zirconium (Zr), % 0.060 to 0.12
0