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ASTM F15 Fe-Ni-Co vs. R05200 Tantalum

ASTM F15 Fe-Ni-Co belongs to the iron alloys classification, while R05200 tantalum belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (12, 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 ASTM F15 Fe-Ni-Co and the bottom bar is R05200 tantalum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.3
0.34
Shear Modulus, GPa 73
69
Tensile Strength: Ultimate (UTS), MPa 520 to 880
210 to 540

Thermal Properties

Latent Heat of Fusion, J/g 270
140
Specific Heat Capacity, J/kg-K 460
140
Thermal Conductivity, W/m-K 17
59
Thermal Expansion, µm/m-K 6.0
6.5

Otherwise Unclassified Properties

Density, g/cm3 8.3
17
Embodied Water, L/kg 190
650

Common Calculations

Stiffness to Weight: Axial, points 13
6.2
Stiffness to Weight: Bending, points 23
11
Strength to Weight: Axial, points 17 to 29
3.6 to 9.0
Strength to Weight: Bending, points 17 to 24
4.8 to 8.8
Thermal Diffusivity, mm2/s 4.5
25
Thermal Shock Resistance, points 32 to 55
13 to 32

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0 to 0.040
0 to 0.010
Chromium (Cr), % 0 to 0.2
0
Cobalt (Co), % 16 to 18
0
Copper (Cu), % 0 to 0.2
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 50.3 to 56
0 to 0.010
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 0 to 0.2
0 to 0.020
Nickel (Ni), % 28 to 30
0 to 0.010
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Silicon (Si), % 0 to 0.2
0 to 0.0050
Tantalum (Ta), % 0
99.8 to 100
Titanium (Ti), % 0 to 0.1
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Zirconium (Zr), % 0 to 0.1
0

Comparable Variants