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ACI-ASTM CF10SMnN Steel vs. R05400 Tantalum

ACI-ASTM CF10SMnN steel belongs to the iron alloys classification, while R05400 tantalum belongs to the otherwise unclassified metals. There are 18 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 ACI-ASTM CF10SMnN steel and the bottom bar is R05400 tantalum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
1.1 to 28
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 75
69
Tensile Strength: Ultimate (UTS), MPa 660
210 to 540
Tensile Strength: Yield (Proof), MPa 330
140 to 390

Thermal Properties

Latent Heat of Fusion, J/g 340
140
Specific Heat Capacity, J/kg-K 500
140
Thermal Expansion, µm/m-K 16
6.5

Otherwise Unclassified Properties

Density, g/cm3 7.5
17
Embodied Water, L/kg 150
650

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
5.5 to 53
Resilience: Unit (Modulus of Resilience), kJ/m3 280
50 to 420
Stiffness to Weight: Axial, points 14
6.2
Stiffness to Weight: Bending, points 26
11
Strength to Weight: Axial, points 24
3.6 to 9.0
Strength to Weight: Bending, points 22
4.8 to 8.8
Thermal Shock Resistance, points 15
13 to 32

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.010
Chromium (Cr), % 16 to 18
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 59.1 to 65.4
0 to 0.010
Manganese (Mn), % 7.0 to 9.0
0
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 8.0 to 9.0
0 to 0.010
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0.080 to 0.18
0 to 0.010
Oxygen (O), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.060
0
Silicon (Si), % 3.5 to 4.5
0 to 0.0050
Sulfur (S), % 0 to 0.030
0
Tantalum (Ta), % 0
99.7 to 100
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
0 to 0.050