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R05400 Tantalum vs. C84200 Brass

R05400 tantalum belongs to the otherwise unclassified metals classification, while C84200 brass belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is R05400 tantalum and the bottom bar is C84200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 1.1 to 28
15
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 69
40
Tensile Strength: Ultimate (UTS), MPa 210 to 540
250
Tensile Strength: Yield (Proof), MPa 140 to 390
120

Thermal Properties

Latent Heat of Fusion, J/g 140
180
Specific Heat Capacity, J/kg-K 140
370
Thermal Conductivity, W/m-K 59
72
Thermal Expansion, µm/m-K 6.5
19

Otherwise Unclassified Properties

Density, g/cm3 17
8.5
Embodied Water, L/kg 650
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 53
31
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 420
72
Stiffness to Weight: Axial, points 6.2
6.9
Stiffness to Weight: Bending, points 11
18
Strength to Weight: Axial, points 3.6 to 9.0
8.2
Strength to Weight: Bending, points 4.8 to 8.8
10
Thermal Diffusivity, mm2/s 25
23
Thermal Shock Resistance, points 13 to 32
9.1

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
78 to 82
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0 to 0.4
Lead (Pb), % 0
2.0 to 3.0
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
0 to 0.8
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 1.5
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tantalum (Ta), % 99.7 to 100
0
Tin (Sn), % 0
4.0 to 6.0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0
Zinc (Zn), % 0
10 to 16
Residuals, % 0
0 to 0.7