R05252 Alloy vs. C52100 Bronze

R05252 alloy belongs to the otherwise unclassified metals classification, while C52100 bronze belongs to the copper alloys. There are 14 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is R05252 alloy and the bottom bar is C52100 bronze.

UNS R05252 Tantalum-Tungsten Alloy UNS C52100 (CW453K) Phosphor Bronze

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		110

Poisson's Ratio		0.33
Poisson's Ratio		0.34

Shear Modulus, GPa		73
Shear Modulus, GPa		41

Tensile Strength: Ultimate (UTS), MPa		310
Tensile Strength: Ultimate (UTS), MPa		380 to 800

Thermal Properties

Latent Heat of Fusion, J/g		140
Latent Heat of Fusion, J/g		200

Specific Heat Capacity, J/kg-K		140
Specific Heat Capacity, J/kg-K		370

Thermal Expansion, µm/m-K		6.7
Thermal Expansion, µm/m-K		18

Otherwise Unclassified Properties

Density, g/cm³		17
Density, g/cm³		8.8

Embodied Water, L/kg		600
Embodied Water, L/kg		370

Common Calculations

Stiffness to Weight: Axial, points		6.5
Stiffness to Weight: Axial, points		7.0

Stiffness to Weight: Bending, points		12
Stiffness to Weight: Bending, points		18

Strength to Weight: Axial, points		5.2
Strength to Weight: Axial, points		12 to 25

Strength to Weight: Bending, points		6.1
Strength to Weight: Bending, points		13 to 22

Thermal Shock Resistance, points		17
Thermal Shock Resistance, points		14 to 28

Alloy Composition

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Carbon (C), %		0 to 0.010
Carbon (C), %		0

Copper (Cu), %		0
Copper (Cu), %		89.8 to 93

Hydrogen (H), %		0 to 0.0015
Hydrogen (H), %		0

Iron (Fe), %		0 to 0.010
Iron (Fe), %		0 to 0.1

Lead (Pb), %		0
Lead (Pb), %		0 to 0.050

Molybdenum (Mo), %		0 to 0.020
Molybdenum (Mo), %		0

Nickel (Ni), %		0 to 0.010
Nickel (Ni), %		0

Niobium (Nb), %		0 to 0.1
Niobium (Nb), %		0

Nitrogen (N), %		0 to 0.010
Nitrogen (N), %		0

Oxygen (O), %		0 to 0.015
Oxygen (O), %		0

Phosphorus (P), %		0
Phosphorus (P), %		0.030 to 0.35

Silicon (Si), %		0 to 0.0050
Silicon (Si), %		0

Tantalum (Ta), %		88.8 to 91
Tantalum (Ta), %		0

Tin (Sn), %		0
Tin (Sn), %		7.0 to 9.0

Titanium (Ti), %		0 to 0.010
Titanium (Ti), %		0

Tungsten (W), %		9.0 to 11
Tungsten (W), %		0

Zinc (Zn), %		0
Zinc (Zn), %		0 to 0.2

Residuals, %		0
Residuals, %		0 to 0.5