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Monel R-405 vs. R05400 Tantalum

Monel R-405 belongs to the nickel alloys classification, while R05400 tantalum belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is Monel R-405 and the bottom bar is R05400 tantalum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Elongation at Break, % 9.1 to 39
1.1 to 28
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 62
69
Tensile Strength: Ultimate (UTS), MPa 540 to 630
210 to 540
Tensile Strength: Yield (Proof), MPa 190 to 350
140 to 390

Thermal Properties

Latent Heat of Fusion, J/g 270
140
Specific Heat Capacity, J/kg-K 430
140
Thermal Conductivity, W/m-K 23
59
Thermal Expansion, µm/m-K 14
6.5

Otherwise Unclassified Properties

Density, g/cm3 8.9
17
Embodied Water, L/kg 250
650

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 170
5.5 to 53
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 370
50 to 420
Stiffness to Weight: Axial, points 10
6.2
Stiffness to Weight: Bending, points 21
11
Strength to Weight: Axial, points 17 to 20
3.6 to 9.0
Strength to Weight: Bending, points 17 to 18
4.8 to 8.8
Thermal Diffusivity, mm2/s 5.9
25
Thermal Shock Resistance, points 17 to 20
13 to 32

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.010
Copper (Cu), % 28 to 34
0
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 0.020
Nickel (Ni), % 63 to 72
0 to 0.010
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.0050
Sulfur (S), % 0.025 to 0.060
0
Tantalum (Ta), % 0
99.7 to 100
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
0 to 0.050

Comparable Variants