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EN 1.4729 Stainless Steel vs. Grade 361 Molybdenum

EN 1.4729 stainless steel belongs to the iron alloys classification, while grade 361 molybdenum belongs to the otherwise unclassified metals. There are 13 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is EN 1.4729 stainless 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, % 15
6.3
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 75
120

Thermal Properties

Latent Heat of Fusion, J/g 300
370
Specific Heat Capacity, J/kg-K 490
250
Thermal Expansion, µm/m-K 10
7.0

Otherwise Unclassified Properties

Density, g/cm3 7.6
10
Embodied Carbon, kg CO2/kg material 2.1
28
Embodied Energy, MJ/kg 29
330
Embodied Water, L/kg 100
360

Common Calculations

Stiffness to Weight: Axial, points 14
17
Stiffness to Weight: Bending, points 25
22

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.010
Chromium (Cr), % 12 to 14
0
Iron (Fe), % 80.4 to 86.7
0 to 0.010
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.5
99.9 to 100
Nickel (Ni), % 0 to 1.0
0 to 0.0050
Nitrogen (N), % 0
0 to 0.0020
Oxygen (O), % 0
0 to 0.0070
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 2.5
0 to 0.010
Sulfur (S), % 0 to 0.030
0