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R05400 Tantalum vs. SAE-AISI 1060 Steel

R05400 tantalum belongs to the otherwise unclassified metals classification, while SAE-AISI 1060 steel belongs to the iron alloys. There are 20 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 R05400 tantalum and the bottom bar is SAE-AISI 1060 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 1.1 to 28
10 to 13
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 69
72
Tensile Strength: Ultimate (UTS), MPa 210 to 540
620 to 740
Tensile Strength: Yield (Proof), MPa 140 to 390
400 to 540

Thermal Properties

Latent Heat of Fusion, J/g 140
250
Specific Heat Capacity, J/kg-K 140
470
Thermal Conductivity, W/m-K 59
51
Thermal Expansion, µm/m-K 6.5
12

Otherwise Unclassified Properties

Density, g/cm3 17
7.8
Embodied Water, L/kg 650
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 53
58 to 82
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 420
430 to 790
Stiffness to Weight: Axial, points 6.2
13
Stiffness to Weight: Bending, points 11
24
Strength to Weight: Axial, points 3.6 to 9.0
22 to 26
Strength to Weight: Bending, points 4.8 to 8.8
21 to 23
Thermal Diffusivity, mm2/s 25
14
Thermal Shock Resistance, points 13 to 32
20 to 24

Alloy Composition

Carbon (C), % 0 to 0.010
0.55 to 0.65
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
98.4 to 98.9
Manganese (Mn), % 0
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
0
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
Sulfur (S), % 0
0 to 0.050
Tantalum (Ta), % 99.7 to 100
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0