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Grade 361 Molybdenum vs. SAE-AISI T4 Steel

Grade 361 molybdenum belongs to the otherwise unclassified metals classification, while SAE-AISI T4 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 T4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 310
210
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 120
80
Tensile Strength: Ultimate (UTS), MPa 620
800 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 370
250
Specific Heat Capacity, J/kg-K 250
410
Thermal Expansion, µm/m-K 7.0
12

Otherwise Unclassified Properties

Density, g/cm3 10
9.4
Embodied Carbon, kg CO2/kg material 28
8.5
Embodied Energy, MJ/kg 330
130
Embodied Water, L/kg 360
120

Common Calculations

Stiffness to Weight: Axial, points 17
12
Stiffness to Weight: Bending, points 22
21
Strength to Weight: Axial, points 17
24 to 64
Strength to Weight: Bending, points 16
20 to 39
Thermal Shock Resistance, points 21
24 to 64

Alloy Composition

Carbon (C), % 0 to 0.010
0.7 to 0.8
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
66.3 to 72.3
Manganese (Mn), % 0
0.1 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
17.5 to 19
Vanadium (V), % 0
0.8 to 1.2