C54400 Bronze vs. R05252 Alloy

C54400 bronze belongs to the copper alloys classification, while R05252 alloy belongs to the otherwise unclassified metals. 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 C54400 bronze and the bottom bar is R05252 alloy.

UNS C54400 (CW456K) Phosphor Bronze UNS R05252 Tantalum-Tungsten Alloy

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.34
Poisson's Ratio		0.33

Shear Modulus, GPa		40
Shear Modulus, GPa		73

Tensile Strength: Ultimate (UTS), MPa		330 to 720
Tensile Strength: Ultimate (UTS), MPa		310

Thermal Properties

Latent Heat of Fusion, J/g		190
Latent Heat of Fusion, J/g		140

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

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

Otherwise Unclassified Properties

Density, g/cm³		8.9
Density, g/cm³		17

Embodied Water, L/kg		340
Embodied Water, L/kg		600

Common Calculations

Stiffness to Weight: Axial, points		6.8
Stiffness to Weight: Axial, points		6.5

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

Strength to Weight: Axial, points		10 to 22
Strength to Weight: Axial, points		5.2

Strength to Weight: Bending, points		12 to 20
Strength to Weight: Bending, points		6.1

Thermal Shock Resistance, points		12 to 26
Thermal Shock Resistance, points		17

Alloy Composition

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

Copper (Cu), %		85.4 to 91.5
Copper (Cu), %		0

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

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

Lead (Pb), %		3.5 to 4.5
Lead (Pb), %		0

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

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

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

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

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

Phosphorus (P), %		0.010 to 0.5
Phosphorus (P), %		0

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

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

Tin (Sn), %		3.5 to 4.5
Tin (Sn), %		0

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

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

Zinc (Zn), %		1.5 to 4.5
Zinc (Zn), %		0

Residuals, %		0 to 0.5
Residuals, %		0