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Grade 366 Molybdenum vs. ASTM A182 Grade F122

Grade 366 molybdenum belongs to the otherwise unclassified metals classification, while ASTM A182 grade F122 belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is grade 366 molybdenum and the bottom bar is ASTM A182 grade F122.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 300
190
Elongation at Break, % 2.2
23
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 120
76
Tensile Strength: Ultimate (UTS), MPa 580
710
Tensile Strength: Yield (Proof), MPa 470
450

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Specific Heat Capacity, J/kg-K 210
470
Thermal Expansion, µm/m-K 7.6
13

Otherwise Unclassified Properties

Density, g/cm3 12
8.0
Embodied Carbon, kg CO2/kg material 27
3.0
Embodied Energy, MJ/kg 340
44
Embodied Water, L/kg 300
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12
140
Resilience: Unit (Modulus of Resilience), kJ/m3 370
520
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 13
25
Strength to Weight: Bending, points 13
22
Thermal Shock Resistance, points 18
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.030
0.070 to 0.14
Chromium (Cr), % 0
10 to 11.5
Copper (Cu), % 0
0.3 to 1.7
Iron (Fe), % 0 to 0.010
81.3 to 87.7
Manganese (Mn), % 0
0 to 0.7
Molybdenum (Mo), % 66.9 to 73
0.25 to 0.6
Nickel (Ni), % 0 to 0.0020
0 to 0.5
Niobium (Nb), % 0
0.040 to 0.1
Nitrogen (N), % 0 to 0.0020
0.040 to 0.1
Oxygen (O), % 0 to 0.0025
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.010
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 27 to 33
1.5 to 2.5
Vanadium (V), % 0
0.15 to 0.3
Zirconium (Zr), % 0
0 to 0.010