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C51900 Bronze vs. R05400 Tantalum

C51900 bronze belongs to the copper alloys classification, while R05400 tantalum belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C51900 bronze and the bottom bar is R05400 tantalum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 14 to 29
1.1 to 28
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 42
69
Tensile Strength: Ultimate (UTS), MPa 380 to 620
210 to 540
Tensile Strength: Yield (Proof), MPa 390 to 570
140 to 390

Thermal Properties

Latent Heat of Fusion, J/g 200
140
Specific Heat Capacity, J/kg-K 380
140
Thermal Conductivity, W/m-K 66
59
Thermal Expansion, µm/m-K 18
6.5

Otherwise Unclassified Properties

Density, g/cm3 8.8
17
Embodied Water, L/kg 360
650

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55 to 180
5.5 to 53
Resilience: Unit (Modulus of Resilience), kJ/m3 680 to 1450
50 to 420
Stiffness to Weight: Axial, points 7.0
6.2
Stiffness to Weight: Bending, points 18
11
Strength to Weight: Axial, points 12 to 19
3.6 to 9.0
Strength to Weight: Bending, points 13 to 18
4.8 to 8.8
Thermal Diffusivity, mm2/s 20
25
Thermal Shock Resistance, points 14 to 22
13 to 32

Alloy Composition

Carbon (C), % 0
0 to 0.010
Copper (Cu), % 91.7 to 95
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.1
0 to 0.010
Lead (Pb), % 0 to 0.050
0
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
Phosphorus (P), % 0.030 to 0.35
0
Silicon (Si), % 0
0 to 0.0050
Tantalum (Ta), % 0
99.7 to 100
Tin (Sn), % 5.0 to 7.0
0
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.5
0