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R05400 Tantalum vs. SAE-AISI H22 Steel

R05400 tantalum belongs to the otherwise unclassified metals classification, while SAE-AISI H22 steel belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is R05400 tantalum and the bottom bar is SAE-AISI H22 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 69
77
Tensile Strength: Ultimate (UTS), MPa 210 to 540
700 to 1920

Thermal Properties

Latent Heat of Fusion, J/g 140
250
Specific Heat Capacity, J/kg-K 140
440
Thermal Conductivity, W/m-K 59
31
Thermal Expansion, µm/m-K 6.5
12

Otherwise Unclassified Properties

Density, g/cm3 17
8.7
Embodied Water, L/kg 650
72

Common Calculations

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
22 to 61
Strength to Weight: Bending, points 4.8 to 8.8
20 to 39
Thermal Diffusivity, mm2/s 25
8.2
Thermal Shock Resistance, points 13 to 32
22 to 60

Alloy Composition

Carbon (C), % 0 to 0.010
0.3 to 0.4
Chromium (Cr), % 0
1.8 to 3.8
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
82.2 to 87.4
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
0 to 0.3
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 0.030
Silicon (Si), % 0 to 0.0050
0.15 to 0.4
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
10 to 11.8
Vanadium (V), % 0
0.25 to 0.5

Comparable Variants