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R05400 Tantalum vs. Grade CW12MW Nickel

R05400 tantalum belongs to the otherwise unclassified metals classification, while grade CW12MW nickel belongs to the nickel alloys. There are 18 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is R05400 tantalum and the bottom bar is grade CW12MW nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 1.1 to 28
4.6
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 69
85
Tensile Strength: Ultimate (UTS), MPa 210 to 540
560
Tensile Strength: Yield (Proof), MPa 140 to 390
310

Thermal Properties

Latent Heat of Fusion, J/g 140
320
Specific Heat Capacity, J/kg-K 140
410
Thermal Expansion, µm/m-K 6.5
12

Otherwise Unclassified Properties

Density, g/cm3 17
9.1
Embodied Water, L/kg 650
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 53
22
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 420
220
Stiffness to Weight: Axial, points 6.2
13
Stiffness to Weight: Bending, points 11
22
Strength to Weight: Axial, points 3.6 to 9.0
17
Strength to Weight: Bending, points 4.8 to 8.8
17
Thermal Shock Resistance, points 13 to 32
16

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.12
Chromium (Cr), % 0
15.5 to 17.5
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
4.5 to 7.5
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0 to 0.020
16 to 18
Nickel (Ni), % 0 to 0.010
49.2 to 60.1
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.030
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.0050
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 99.7 to 100
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
3.8 to 5.3
Vanadium (V), % 0
0.2 to 0.4