C95400 Bronze vs. R05240 Alloy

C95400 bronze belongs to the copper alloys classification, while R05240 alloy belongs to the otherwise unclassified metals. There are 18 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 C95400 bronze and the bottom bar is R05240 alloy.

UNS C95400 Aluminum Bronze UNS R05240 Tantalum-Niobium Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		150

Elongation at Break, %		8.1 to 16
Elongation at Break, %		25

Poisson's Ratio		0.34
Poisson's Ratio		0.36

Shear Modulus, GPa		43
Shear Modulus, GPa		57

Tensile Strength: Ultimate (UTS), MPa		600 to 710
Tensile Strength: Ultimate (UTS), MPa		270

Tensile Strength: Yield (Proof), MPa		240 to 360
Tensile Strength: Yield (Proof), MPa		170

Thermal Properties

Latent Heat of Fusion, J/g		230
Latent Heat of Fusion, J/g		210

Specific Heat Capacity, J/kg-K		440
Specific Heat Capacity, J/kg-K		190

Thermal Expansion, µm/m-K		18
Thermal Expansion, µm/m-K		6.8

Otherwise Unclassified Properties

Density, g/cm³		8.2
Density, g/cm³		14

Embodied Water, L/kg		390
Embodied Water, L/kg		460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		48 to 75
Resilience: Ultimate (Unit Rupture Work), MJ/m³		59

Resilience: Unit (Modulus of Resilience), kJ/m³		250 to 560
Resilience: Unit (Modulus of Resilience), kJ/m³		90

Stiffness to Weight: Axial, points		7.7
Stiffness to Weight: Axial, points		6.3

Stiffness to Weight: Bending, points		20
Stiffness to Weight: Bending, points		13

Strength to Weight: Axial, points		20 to 24
Strength to Weight: Axial, points		5.4

Strength to Weight: Bending, points		19 to 22
Strength to Weight: Bending, points		6.8

Thermal Shock Resistance, points		21 to 25
Thermal Shock Resistance, points		18

Alloy Composition

Aluminum (Al), %		10 to 11.5
Aluminum (Al), %		0

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

Copper (Cu), %		83 to 87
Copper (Cu), %		0

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

Iron (Fe), %		3.0 to 5.0
Iron (Fe), %		0 to 0.010

Manganese (Mn), %		0 to 0.5
Manganese (Mn), %		0

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

Nickel (Ni), %		0 to 1.5
Nickel (Ni), %		0 to 0.010

Niobium (Nb), %		0
Niobium (Nb), %		35 to 42

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

Oxygen (O), %		0
Oxygen (O), %		0 to 0.020

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

Tantalum (Ta), %		0
Tantalum (Ta), %		57.9 to 65

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

Tungsten (W), %		0
Tungsten (W), %		0 to 0.050

Residuals, %		0 to 0.5
Residuals, %		0