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EN 1.3961 Alloy vs. R05200 Tantalum

EN 1.3961 alloy 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 EN 1.3961 alloy and the bottom bar is R05200 tantalum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 31
1.1 to 28
Poisson's Ratio 0.3
0.34
Shear Modulus, GPa 72
69
Tensile Strength: Ultimate (UTS), MPa 450
210 to 540
Tensile Strength: Yield (Proof), MPa 310
140 to 390

Thermal Properties

Latent Heat of Fusion, J/g 270
140
Specific Heat Capacity, J/kg-K 460
140
Thermal Expansion, µm/m-K 1.3
6.5

Otherwise Unclassified Properties

Density, g/cm3 8.2
17
Embodied Water, L/kg 110
650

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
5.5 to 53
Resilience: Unit (Modulus of Resilience), kJ/m3 250
50 to 420
Stiffness to Weight: Axial, points 13
6.2
Stiffness to Weight: Bending, points 23
11
Strength to Weight: Axial, points 15
3.6 to 9.0
Strength to Weight: Bending, points 16
4.8 to 8.8
Thermal Shock Resistance, points 130
13 to 32

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.010
Chromium (Cr), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 60.7 to 65
0 to 0.010
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 0 to 1.0
0 to 0.020
Nickel (Ni), % 35 to 37
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
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0 to 0.0050
Sulfur (S), % 0 to 0.020
0
Tantalum (Ta), % 0
99.8 to 100
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
0 to 0.050