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Austenitic Nodular Cast Iron vs. R05200 Tantalum

Austenitic nodular cast iron belongs to the iron alloys classification, while R05200 tantalum belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is austenitic nodular cast iron and the bottom bar is R05200 tantalum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180 to 190
190
Elongation at Break, % 6.8 to 34
1.1 to 28
Poisson's Ratio 0.29 to 0.3
0.34
Shear Modulus, GPa 70 to 72
69
Tensile Strength: Ultimate (UTS), MPa 430 to 500
210 to 540
Tensile Strength: Yield (Proof), MPa 190 to 240
140 to 390

Thermal Properties

Latent Heat of Fusion, J/g 280 to 350
140
Specific Heat Capacity, J/kg-K 470 to 490
140
Thermal Expansion, µm/m-K 13 to 14
6.5

Otherwise Unclassified Properties

Density, g/cm3 7.7 to 8.0
17
Embodied Water, L/kg 91 to 120
650

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 140
5.5 to 53
Resilience: Unit (Modulus of Resilience), kJ/m3 98 to 160
50 to 420
Stiffness to Weight: Axial, points 13
6.2
Stiffness to Weight: Bending, points 24 to 25
11
Strength to Weight: Axial, points 15 to 18
3.6 to 9.0
Strength to Weight: Bending, points 16 to 18
4.8 to 8.8
Thermal Shock Resistance, points 12 to 15
13 to 32