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EN 1.4877 Stainless Steel vs. Grade 365 Molybdenum

EN 1.4877 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 1.4877 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, % 36
6.3
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 79
120
Tensile Strength: Ultimate (UTS), MPa 630
620
Tensile Strength: Yield (Proof), MPa 200
530

Thermal Properties

Latent Heat of Fusion, J/g 310
370
Specific Heat Capacity, J/kg-K 470
250
Thermal Expansion, µm/m-K 15
7.0

Otherwise Unclassified Properties

Density, g/cm3 8.0
10
Embodied Carbon, kg CO2/kg material 6.2
28
Embodied Energy, MJ/kg 89
330
Embodied Water, L/kg 220
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
37
Resilience: Unit (Modulus of Resilience), kJ/m3 100
450
Stiffness to Weight: Axial, points 14
17
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 22
17
Strength to Weight: Bending, points 20
16
Thermal Shock Resistance, points 15
21

Alloy Composition

Aluminum (Al), % 0 to 0.025
0
Carbon (C), % 0.040 to 0.080
0 to 0.010
Cerium (Ce), % 0.050 to 0.1
0
Chromium (Cr), % 26 to 28
0
Iron (Fe), % 36.4 to 42.3
0 to 0.010
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0
99.9 to 100
Nickel (Ni), % 31 to 33
0 to 0.0020
Niobium (Nb), % 0.6 to 1.0
0
Nitrogen (N), % 0 to 0.1
0 to 0.0020
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.3
0 to 0.010
Sulfur (S), % 0 to 0.010
0