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Grade 361 Molybdenum vs. R05255 Alloy

Both grade 361 molybdenum and R05255 alloy are otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade 361 molybdenum and the bottom bar is R05255 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 310
190
Elongation at Break, % 6.3
20
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 120
70
Tensile Strength: Ultimate (UTS), MPa 620
540
Tensile Strength: Yield (Proof), MPa 530
450

Thermal Properties

Latent Heat of Fusion, J/g 370
140
Specific Heat Capacity, J/kg-K 250
140
Thermal Expansion, µm/m-K 7.0
6.6

Otherwise Unclassified Properties

Density, g/cm3 10
17
Embodied Water, L/kg 360
630

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
100
Resilience: Unit (Modulus of Resilience), kJ/m3 450
530
Stiffness to Weight: Axial, points 17
6.3
Stiffness to Weight: Bending, points 22
11
Strength to Weight: Axial, points 17
9.1
Strength to Weight: Bending, points 16
8.9
Thermal Shock Resistance, points 21
31

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.010
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.010
0 to 0.010
Molybdenum (Mo), % 99.9 to 100
0 to 0.020
Nickel (Ni), % 0 to 0.0050
0 to 0.010
Niobium (Nb), % 0
0 to 0.5
Nitrogen (N), % 0 to 0.0020
0 to 0.010
Oxygen (O), % 0 to 0.0070
0 to 0.015
Silicon (Si), % 0 to 0.010
0 to 0.0050
Tantalum (Ta), % 0
95.9 to 98
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
2.0 to 3.5