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Grade 365 Molybdenum vs. EN 1.4361 Stainless Steel

Grade 365 molybdenum belongs to the otherwise unclassified metals classification, while EN 1.4361 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 365 molybdenum and the bottom bar is EN 1.4361 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 310
190
Elongation at Break, % 6.3
43
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 120
75
Tensile Strength: Ultimate (UTS), MPa 620
630
Tensile Strength: Yield (Proof), MPa 530
250

Thermal Properties

Latent Heat of Fusion, J/g 370
350
Specific Heat Capacity, J/kg-K 250
490
Thermal Expansion, µm/m-K 7.0
16

Otherwise Unclassified Properties

Density, g/cm3 10
7.6
Embodied Carbon, kg CO2/kg material 28
3.6
Embodied Energy, MJ/kg 330
52
Embodied Water, L/kg 360
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
220
Resilience: Unit (Modulus of Resilience), kJ/m3 450
160
Stiffness to Weight: Axial, points 17
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 17
23
Strength to Weight: Bending, points 16
21
Thermal Shock Resistance, points 21
15

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.015
Chromium (Cr), % 0
16.5 to 18.5
Iron (Fe), % 0 to 0.010
58.7 to 65.8
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 99.9 to 100
0 to 0.2
Nickel (Ni), % 0 to 0.0020
14 to 16
Nitrogen (N), % 0 to 0.0020
0 to 0.1
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.010
3.7 to 4.5
Sulfur (S), % 0
0 to 0.010