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C40500 Penny Bronze vs. R05400 Tantalum

C40500 penny 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 C40500 penny 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, % 3.0 to 49
1.1 to 28
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
69
Tensile Strength: Ultimate (UTS), MPa 270 to 540
210 to 540
Tensile Strength: Yield (Proof), MPa 79 to 520
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 160
59
Thermal Expansion, µm/m-K 18
6.5

Otherwise Unclassified Properties

Density, g/cm3 8.8
17
Embodied Water, L/kg 320
650

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 110
5.5 to 53
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 1200
50 to 420
Stiffness to Weight: Axial, points 7.2
6.2
Stiffness to Weight: Bending, points 18
11
Strength to Weight: Axial, points 8.5 to 17
3.6 to 9.0
Strength to Weight: Bending, points 10 to 17
4.8 to 8.8
Thermal Diffusivity, mm2/s 48
25
Thermal Shock Resistance, points 9.5 to 19
13 to 32

Alloy Composition

Carbon (C), % 0
0 to 0.010
Copper (Cu), % 94 to 96
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.050
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
Silicon (Si), % 0
0 to 0.0050
Tantalum (Ta), % 0
99.7 to 100
Tin (Sn), % 0.7 to 1.3
0
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 2.1 to 5.3
0
Residuals, % 0 to 0.5
0