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Grade 365 Molybdenum vs. EN 1.5538 Steel

Grade 365 molybdenum belongs to the otherwise unclassified metals classification, while EN 1.5538 steel belongs to the iron alloys. There are 16 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 1.5538 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 310
190
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 120
73
Tensile Strength: Ultimate (UTS), MPa 620
530 to 1810

Thermal Properties

Latent Heat of Fusion, J/g 370
250
Specific Heat Capacity, J/kg-K 250
470
Thermal Expansion, µm/m-K 7.0
13

Otherwise Unclassified Properties

Density, g/cm3 10
7.8
Embodied Carbon, kg CO2/kg material 28
1.4
Embodied Energy, MJ/kg 330
19
Embodied Water, L/kg 360
48

Common Calculations

Stiffness to Weight: Axial, points 17
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 17
19 to 64
Strength to Weight: Bending, points 16
19 to 42
Thermal Shock Resistance, points 21
16 to 53

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.010
0.35 to 0.4
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 0.010
97.2 to 98.5
Manganese (Mn), % 0
1.2 to 1.5
Molybdenum (Mo), % 99.9 to 100
0
Nickel (Ni), % 0 to 0.0020
0
Nitrogen (N), % 0 to 0.0020
0
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.010
0 to 0.3
Sulfur (S), % 0
0 to 0.025