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Monel R-405 vs. Type 4 Niobium

Monel R-405 belongs to the nickel alloys classification, while Type 4 niobium belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is Monel R-405 and the bottom bar is Type 4 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
110
Elongation at Break, % 9.1 to 39
23
Poisson's Ratio 0.32
0.4
Shear Modulus, GPa 62
38
Tensile Strength: Ultimate (UTS), MPa 540 to 630
220
Tensile Strength: Yield (Proof), MPa 190 to 350
140

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Specific Heat Capacity, J/kg-K 430
270
Thermal Conductivity, W/m-K 23
42
Thermal Expansion, µm/m-K 14
7.3

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.6
Embodied Water, L/kg 250
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 170
44
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 370
93
Stiffness to Weight: Axial, points 10
6.8
Stiffness to Weight: Bending, points 21
18
Strength to Weight: Axial, points 17 to 20
7.2
Strength to Weight: Bending, points 17 to 18
9.5
Thermal Diffusivity, mm2/s 5.9
18
Thermal Shock Resistance, points 17 to 20
21

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.010
Copper (Cu), % 28 to 34
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 2.5
0 to 0.010
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0
0 to 0.050
Nickel (Ni), % 63 to 72
0 to 0.0050
Niobium (Nb), % 0
98.1 to 99.2
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.0050
Sulfur (S), % 0.025 to 0.060
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 0
0 to 0.050
Zirconium (Zr), % 0
0.8 to 1.2