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EN 1.4887 Stainless Steel vs. Grade 365 Molybdenum

EN 1.4887 stainless steel belongs to the iron alloys classification, while grade 365 molybdenum belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is EN 1.4887 stainless steel and the bottom bar is grade 365 molybdenum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
310
Elongation at Break, % 45
6.3
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
120
Tensile Strength: Ultimate (UTS), MPa 580
620
Tensile Strength: Yield (Proof), MPa 300
530

Thermal Properties

Latent Heat of Fusion, J/g 320
370
Specific Heat Capacity, J/kg-K 480
250
Thermal Expansion, µm/m-K 15
7.0

Otherwise Unclassified Properties

Density, g/cm3 8.0
10
Embodied Carbon, kg CO2/kg material 6.7
28
Embodied Energy, MJ/kg 96
330
Embodied Water, L/kg 210
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
37
Resilience: Unit (Modulus of Resilience), kJ/m3 230
450
Stiffness to Weight: Axial, points 14
17
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 20
17
Strength to Weight: Bending, points 19
16
Thermal Shock Resistance, points 14
21

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.010
Chromium (Cr), % 20 to 23
0
Iron (Fe), % 34.2 to 45
0 to 0.010
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0
99.9 to 100
Nickel (Ni), % 33 to 37
0 to 0.0020
Niobium (Nb), % 1.0 to 1.5
0
Nitrogen (N), % 0 to 0.1
0 to 0.0020
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 1.0 to 2.0
0 to 0.010
Sulfur (S), % 0 to 0.015
0