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ASTM B522 Class II vs. R05400 Tantalum

Both ASTM B522 class II and R05400 tantalum are otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ASTM B522 class II and the bottom bar is R05400 tantalum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 96
190
Elongation at Break, % 1.1 to 28
1.1 to 28
Poisson's Ratio 0.41
0.34
Shear Modulus, GPa 34
69
Tensile Strength: Ultimate (UTS), MPa 280 to 490
210 to 540
Tensile Strength: Yield (Proof), MPa 120 to 210
140 to 390

Thermal Properties

Latent Heat of Fusion, J/g 77
140
Specific Heat Capacity, J/kg-K 160
140
Thermal Expansion, µm/m-K 15
6.5

Otherwise Unclassified Properties

Density, g/cm3 17
17

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4 to 63
5.5 to 53
Resilience: Unit (Modulus of Resilience), kJ/m3 75 to 230
50 to 420
Stiffness to Weight: Axial, points 3.1
6.2
Stiffness to Weight: Bending, points 8.9
11
Strength to Weight: Axial, points 4.4 to 7.8
3.6 to 9.0
Strength to Weight: Bending, points 5.5 to 8.0
4.8 to 8.8
Thermal Shock Resistance, points 13 to 24
13 to 32

Alloy Composition

Carbon (C), % 0
0 to 0.010
Gold (Au), % 68.5 to 69.5
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0
0 to 0.010
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0
0 to 0.010
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.030
Platinum (Pt), % 5.5 to 6.5
0
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 24.5 to 25.5
0
Sulfur (S), % 0 to 0.010
0
Tantalum (Ta), % 0
99.7 to 100
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Residuals, % 0 to 0.26
0

Comparable Variants