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Grade 200 Maraging Steel vs. Grade 364 Molybdenum

Grade 200 maraging steel belongs to the iron alloys classification, while grade 364 molybdenum belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade 200 maraging steel and the bottom bar is grade 364 molybdenum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
310
Elongation at Break, % 9.1 to 18
6.2 to 11
Poisson's Ratio 0.3
0.31
Shear Modulus, GPa 74
120
Tensile Strength: Ultimate (UTS), MPa 970 to 1500
580 to 720
Tensile Strength: Yield (Proof), MPa 690 to 1490
350 to 620

Thermal Properties

Latent Heat of Fusion, J/g 260
370
Specific Heat Capacity, J/kg-K 460
250
Thermal Expansion, µm/m-K 12
7.0

Otherwise Unclassified Properties

Density, g/cm3 8.2
10
Embodied Carbon, kg CO2/kg material 4.5
28
Embodied Energy, MJ/kg 59
330
Embodied Water, L/kg 140
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
43 to 57
Resilience: Unit (Modulus of Resilience), kJ/m3 1240 to 5740
200 to 630
Stiffness to Weight: Axial, points 13
17
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 33 to 51
16 to 20
Strength to Weight: Bending, points 27 to 35
15 to 17
Thermal Shock Resistance, points 29 to 45
19 to 24

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
0
Boron (B), % 0 to 0.0030
0
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0.010 to 0.040
Cobalt (Co), % 8.0 to 9.0
0
Iron (Fe), % 67.8 to 71.8
0 to 0.010
Manganese (Mn), % 0 to 0.1
0
Molybdenum (Mo), % 3.0 to 3.5
99.2 to 99.5
Nickel (Ni), % 17 to 19
0 to 0.0050
Nitrogen (N), % 0
0 to 0.0020
Oxygen (O), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0 to 0.0050
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0.15 to 0.25
0.4 to 0.55
Zirconium (Zr), % 0 to 0.020
0.060 to 0.12