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R05400 Tantalum vs. C66300 Brass

R05400 tantalum belongs to the otherwise unclassified metals classification, while C66300 brass belongs to the copper alloys. There are 20 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 R05400 tantalum and the bottom bar is C66300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 1.1 to 28
2.3 to 22
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 69
42
Tensile Strength: Ultimate (UTS), MPa 210 to 540
460 to 810
Tensile Strength: Yield (Proof), MPa 140 to 390
400 to 800

Thermal Properties

Latent Heat of Fusion, J/g 140
200
Specific Heat Capacity, J/kg-K 140
380
Thermal Conductivity, W/m-K 59
110
Thermal Expansion, µm/m-K 6.5
18

Otherwise Unclassified Properties

Density, g/cm3 17
8.6
Embodied Water, L/kg 650
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 53
17 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 420
710 to 2850
Stiffness to Weight: Axial, points 6.2
7.2
Stiffness to Weight: Bending, points 11
19
Strength to Weight: Axial, points 3.6 to 9.0
15 to 26
Strength to Weight: Bending, points 4.8 to 8.8
15 to 22
Thermal Diffusivity, mm2/s 25
32
Thermal Shock Resistance, points 13 to 32
16 to 28

Alloy Composition

Carbon (C), % 0 to 0.010
0
Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 0
84.5 to 87.5
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
1.4 to 2.4
Lead (Pb), % 0
0 to 0.050
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
0
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 0.35
Silicon (Si), % 0 to 0.0050
0
Tantalum (Ta), % 99.7 to 100
0
Tin (Sn), % 0
1.5 to 3.0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0
Zinc (Zn), % 0
6.0 to 12.8
Residuals, % 0
0 to 0.5