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Grade 361 Molybdenum vs. N08320 Stainless Steel

Grade 361 molybdenum belongs to the otherwise unclassified metals classification, while N08320 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is grade 361 molybdenum and the bottom bar is N08320 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 310
200
Elongation at Break, % 6.3
40
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 120
78
Tensile Strength: Ultimate (UTS), MPa 620
580
Tensile Strength: Yield (Proof), MPa 530
220

Thermal Properties

Latent Heat of Fusion, J/g 370
300
Specific Heat Capacity, J/kg-K 250
480
Thermal Expansion, µm/m-K 7.0
16

Otherwise Unclassified Properties

Density, g/cm3 10
8.0
Embodied Carbon, kg CO2/kg material 28
4.9
Embodied Energy, MJ/kg 330
69
Embodied Water, L/kg 360
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
180
Resilience: Unit (Modulus of Resilience), kJ/m3 450
120
Stiffness to Weight: Axial, points 17
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 17
20
Strength to Weight: Bending, points 16
20
Thermal Shock Resistance, points 21
13

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.050
Chromium (Cr), % 0
21 to 23
Iron (Fe), % 0 to 0.010
40.4 to 50
Manganese (Mn), % 0
0 to 2.5
Molybdenum (Mo), % 99.9 to 100
0
Nickel (Ni), % 0 to 0.0050
25 to 27
Nitrogen (N), % 0 to 0.0020
0
Oxygen (O), % 0 to 0.0070
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.010
0 to 1.0
Sulfur (S), % 0
0 to 0.030