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R05252 Alloy vs. R05400 Tantalum

Both R05252 alloy and R05400 tantalum are otherwise unclassified metals. They have a moderately high 90% of their average alloy composition in common. There are 18 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is R05252 alloy and the bottom bar is R05400 tantalum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
1.1 to 28
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 73
69
Tensile Strength: Ultimate (UTS), MPa 310
210 to 540
Tensile Strength: Yield (Proof), MPa 220
140 to 390

Thermal Properties

Latent Heat of Fusion, J/g 140
140
Specific Heat Capacity, J/kg-K 140
140
Thermal Expansion, µm/m-K 6.7
6.5

Otherwise Unclassified Properties

Density, g/cm3 17
17
Embodied Water, L/kg 600
650

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
5.5 to 53
Resilience: Unit (Modulus of Resilience), kJ/m3 120
50 to 420
Stiffness to Weight: Axial, points 6.5
6.2
Stiffness to Weight: Bending, points 12
11
Strength to Weight: Axial, points 5.2
3.6 to 9.0
Strength to Weight: Bending, points 6.1
4.8 to 8.8
Thermal Shock Resistance, points 17
13 to 32

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.010
Hydrogen (H), % 0 to 0.0015
0 to 0.0015
Iron (Fe), % 0 to 0.010
0 to 0.010
Molybdenum (Mo), % 0 to 0.020
0 to 0.020
Nickel (Ni), % 0 to 0.010
0 to 0.010
Niobium (Nb), % 0 to 0.1
0 to 0.1
Nitrogen (N), % 0 to 0.010
0 to 0.010
Oxygen (O), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Tantalum (Ta), % 88.8 to 91
99.7 to 100
Titanium (Ti), % 0 to 0.010
0 to 0.010
Tungsten (W), % 9.0 to 11
0 to 0.050