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EN 1.4525 Stainless Steel vs. Grade 365 Molybdenum

EN 1.4525 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 (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.4525 stainless steel and the bottom bar is grade 365 molybdenum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
310
Elongation at Break, % 5.6 to 13
6.3
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
120
Tensile Strength: Ultimate (UTS), MPa 1030 to 1250
620
Tensile Strength: Yield (Proof), MPa 840 to 1120
530

Thermal Properties

Latent Heat of Fusion, J/g 280
370
Specific Heat Capacity, J/kg-K 480
250
Thermal Expansion, µm/m-K 11
7.0

Otherwise Unclassified Properties

Density, g/cm3 7.8
10
Embodied Carbon, kg CO2/kg material 2.8
28
Embodied Energy, MJ/kg 39
330
Embodied Water, L/kg 130
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 130
37
Resilience: Unit (Modulus of Resilience), kJ/m3 1820 to 3230
450
Stiffness to Weight: Axial, points 14
17
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 36 to 45
17
Strength to Weight: Bending, points 29 to 33
16
Thermal Shock Resistance, points 34 to 41
21

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.010
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 2.5 to 4.0
0
Iron (Fe), % 70.4 to 79
0 to 0.010
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.8
99.9 to 100
Nickel (Ni), % 3.5 to 5.5
0 to 0.0020
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0 to 0.0020
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.8
0 to 0.010
Sulfur (S), % 0 to 0.025
0