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EN 1.7380 Steel vs. Grade 361 Molybdenum

EN 1.7380 steel belongs to the iron alloys classification, while grade 361 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 1.7380 steel and the bottom bar is grade 361 molybdenum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
310
Elongation at Break, % 19 to 20
6.3
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 74
120
Tensile Strength: Ultimate (UTS), MPa 540 to 550
620
Tensile Strength: Yield (Proof), MPa 290 to 330
530

Thermal Properties

Latent Heat of Fusion, J/g 260
370
Specific Heat Capacity, J/kg-K 470
250
Thermal Expansion, µm/m-K 13
7.0

Otherwise Unclassified Properties

Density, g/cm3 7.9
10
Embodied Carbon, kg CO2/kg material 1.8
28
Embodied Energy, MJ/kg 23
330
Embodied Water, L/kg 59
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 98
37
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 280
450
Stiffness to Weight: Axial, points 13
17
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 19 to 20
17
Strength to Weight: Bending, points 19
16
Thermal Shock Resistance, points 15 to 16
21

Alloy Composition

Carbon (C), % 0.080 to 0.14
0 to 0.010
Chromium (Cr), % 2.0 to 2.5
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.6 to 96.6
0 to 0.010
Manganese (Mn), % 0.4 to 0.8
0
Molybdenum (Mo), % 0.9 to 1.1
99.9 to 100
Nickel (Ni), % 0
0 to 0.0050
Nitrogen (N), % 0 to 0.012
0 to 0.0020
Oxygen (O), % 0
0 to 0.0070
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
0 to 0.010
Sulfur (S), % 0 to 0.010
0