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Grade 361 Molybdenum vs. SAE-AISI T8 Steel

Grade 361 molybdenum belongs to the otherwise unclassified metals classification, while SAE-AISI T8 steel belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade 361 molybdenum and the bottom bar is SAE-AISI T8 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 310
200
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 120
78
Tensile Strength: Ultimate (UTS), MPa 620
780 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 370
250
Specific Heat Capacity, J/kg-K 250
420
Thermal Expansion, µm/m-K 7.0
12

Otherwise Unclassified Properties

Density, g/cm3 10
9.0
Embodied Carbon, kg CO2/kg material 28
10
Embodied Energy, MJ/kg 330
160
Embodied Water, L/kg 360
120

Common Calculations

Stiffness to Weight: Axial, points 17
12
Stiffness to Weight: Bending, points 22
22
Strength to Weight: Axial, points 17
24 to 66
Strength to Weight: Bending, points 16
21 to 41
Thermal Shock Resistance, points 21
24 to 66

Alloy Composition

Carbon (C), % 0 to 0.010
0.75 to 0.85
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
4.3 to 5.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 0.010
69.3 to 75.4
Manganese (Mn), % 0
0.2 to 0.4
Molybdenum (Mo), % 99.9 to 100
0.4 to 1.0
Nickel (Ni), % 0 to 0.0050
0 to 0.3
Nitrogen (N), % 0 to 0.0020
0
Oxygen (O), % 0 to 0.0070
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.010
0.2 to 0.4
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
13.3 to 14.8
Vanadium (V), % 0
1.8 to 2.4