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Grade 365 Molybdenum vs. EN 1.4857 Stainless Steel

Grade 365 molybdenum belongs to the otherwise unclassified metals classification, while EN 1.4857 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade 365 molybdenum and the bottom bar is EN 1.4857 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 310
200
Elongation at Break, % 6.3
6.7
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 120
78
Tensile Strength: Ultimate (UTS), MPa 620
500
Tensile Strength: Yield (Proof), MPa 530
250

Thermal Properties

Latent Heat of Fusion, J/g 370
330
Specific Heat Capacity, J/kg-K 250
480
Thermal Expansion, µm/m-K 7.0
16

Otherwise Unclassified Properties

Density, g/cm3 10
7.9
Embodied Carbon, kg CO2/kg material 28
5.7
Embodied Energy, MJ/kg 330
81
Embodied Water, L/kg 360
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
28
Resilience: Unit (Modulus of Resilience), kJ/m3 450
150
Stiffness to Weight: Axial, points 17
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 17
18
Strength to Weight: Bending, points 16
18
Thermal Shock Resistance, points 21
11

Alloy Composition

Carbon (C), % 0 to 0.010
0.3 to 0.5
Chromium (Cr), % 0
24 to 27
Iron (Fe), % 0 to 0.010
31.4 to 41.7
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 99.9 to 100
0 to 0.5
Nickel (Ni), % 0 to 0.0020
33 to 36
Nitrogen (N), % 0 to 0.0020
0
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.010
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030