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Grade 360 Molybdenum vs. S42300 Stainless Steel

Grade 360 molybdenum belongs to the otherwise unclassified metals classification, while S42300 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is grade 360 molybdenum and the bottom bar is S42300 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 310
200
Elongation at Break, % 6.3 to 17
9.1
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 120
77
Tensile Strength: Ultimate (UTS), MPa 430 to 620
1100
Tensile Strength: Yield (Proof), MPa 270 to 530
850

Thermal Properties

Latent Heat of Fusion, J/g 370
270
Specific Heat Capacity, J/kg-K 250
470
Thermal Expansion, µm/m-K 7.0
10

Otherwise Unclassified Properties

Density, g/cm3 10
7.8
Embodied Carbon, kg CO2/kg material 28
3.2
Embodied Energy, MJ/kg 330
44
Embodied Water, L/kg 360
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 64
93
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 450
1840
Stiffness to Weight: Axial, points 17
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 12 to 17
39
Strength to Weight: Bending, points 12 to 16
30
Thermal Shock Resistance, points 14 to 21
40

Alloy Composition

Carbon (C), % 0 to 0.030
0.27 to 0.32
Chromium (Cr), % 0
11 to 12
Iron (Fe), % 0 to 0.010
82 to 85.1
Manganese (Mn), % 0
1.0 to 1.4
Molybdenum (Mo), % 99.9 to 100
2.5 to 3.0
Nickel (Ni), % 0 to 0.0020
0 to 0.5
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 0.5
Sulfur (S), % 0
0 to 0.025
Vanadium (V), % 0
0.2 to 0.3