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Grade 361 Molybdenum vs. Grade 366 Molybdenum

Both grade 361 molybdenum and grade 366 molybdenum are otherwise unclassified metals. Both are furnished in the stress relieved condition. They have 70% of their average alloy composition in common.

For each property being compared, the top bar is grade 361 molybdenum and the bottom bar is grade 366 molybdenum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 310
300
Elongation at Break, % 6.3
2.2
Poisson's Ratio 0.31
0.3
Shear Modulus, GPa 120
120
Tensile Strength: Ultimate (UTS), MPa 620
580
Tensile Strength: Yield (Proof), MPa 530
470

Thermal Properties

Latent Heat of Fusion, J/g 370
310
Specific Heat Capacity, J/kg-K 250
210
Thermal Expansion, µm/m-K 7.0
7.6

Otherwise Unclassified Properties

Density, g/cm3 10
12
Embodied Carbon, kg CO2/kg material 28
27
Embodied Energy, MJ/kg 330
340
Embodied Water, L/kg 360
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
12
Resilience: Unit (Modulus of Resilience), kJ/m3 450
370
Stiffness to Weight: Axial, points 17
14
Stiffness to Weight: Bending, points 22
18
Strength to Weight: Axial, points 17
13
Strength to Weight: Bending, points 16
13
Thermal Shock Resistance, points 21
18

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.030
Iron (Fe), % 0 to 0.010
0 to 0.010
Molybdenum (Mo), % 99.9 to 100
66.9 to 73
Nickel (Ni), % 0 to 0.0050
0 to 0.0020
Nitrogen (N), % 0 to 0.0020
0 to 0.0020
Oxygen (O), % 0 to 0.0070
0 to 0.0025
Silicon (Si), % 0 to 0.010
0 to 0.010
Tungsten (W), % 0
27 to 33