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R05200 Tantalum vs. EN 1.4869 Casting Alloy

R05200 tantalum belongs to the otherwise unclassified metals classification, while EN 1.4869 casting alloy belongs to the nickel alloys. 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 R05200 tantalum and the bottom bar is EN 1.4869 casting alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 1.1 to 28
5.7
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 69
80
Tensile Strength: Ultimate (UTS), MPa 210 to 540
540
Tensile Strength: Yield (Proof), MPa 140 to 390
310

Thermal Properties

Latent Heat of Fusion, J/g 140
330
Specific Heat Capacity, J/kg-K 140
460
Thermal Conductivity, W/m-K 59
10
Thermal Expansion, µm/m-K 6.5
13

Otherwise Unclassified Properties

Density, g/cm3 17
8.5
Embodied Water, L/kg 650
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 53
26
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 420
230
Stiffness to Weight: Axial, points 6.2
13
Stiffness to Weight: Bending, points 11
23
Strength to Weight: Axial, points 3.6 to 9.0
18
Strength to Weight: Bending, points 4.8 to 8.8
17
Thermal Diffusivity, mm2/s 25
2.6
Thermal Shock Resistance, points 13 to 32
14

Alloy Composition

Carbon (C), % 0 to 0.010
0.45 to 0.55
Chromium (Cr), % 0
24 to 26
Cobalt (Co), % 0
14 to 16
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
11.4 to 23.6
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
33 to 37
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.015
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.0050
1.0 to 2.0
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 99.8 to 100
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
4.0 to 6.0