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Nickel 689 vs. R05400 Tantalum

Nickel 689 belongs to the nickel alloys classification, while R05400 tantalum belongs to the otherwise unclassified metals. There are 18 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 nickel 689 and the bottom bar is R05400 tantalum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
1.1 to 28
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 80
69
Tensile Strength: Ultimate (UTS), MPa 1250
210 to 540
Tensile Strength: Yield (Proof), MPa 690
140 to 390

Thermal Properties

Latent Heat of Fusion, J/g 330
140
Specific Heat Capacity, J/kg-K 450
140
Thermal Expansion, µm/m-K 12
6.5

Otherwise Unclassified Properties

Density, g/cm3 8.5
17
Embodied Water, L/kg 330
650

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
5.5 to 53
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
50 to 420
Stiffness to Weight: Axial, points 14
6.2
Stiffness to Weight: Bending, points 23
11
Strength to Weight: Axial, points 41
3.6 to 9.0
Strength to Weight: Bending, points 30
4.8 to 8.8
Thermal Shock Resistance, points 35
13 to 32

Alloy Composition

Aluminum (Al), % 0.75 to 1.3
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.1 to 0.2
0 to 0.010
Chromium (Cr), % 18 to 20
0
Cobalt (Co), % 9.0 to 11
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 5.0
0 to 0.010
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 9.0 to 10.5
0 to 0.020
Nickel (Ni), % 48.3 to 60.9
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
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.5
0 to 0.0050
Sulfur (S), % 0 to 0.015
0
Tantalum (Ta), % 0
99.7 to 100
Titanium (Ti), % 2.3 to 2.8
0 to 0.010
Tungsten (W), % 0
0 to 0.050