C62500 Bronze vs. R04295 Alloy

C62500 bronze belongs to the copper alloys classification, while R04295 alloy belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is C62500 bronze and the bottom bar is R04295 alloy.

UNS C62500 Aluminum-Iron Bronze UNS R04295 Niobium-Hafnium Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		100

Elongation at Break, %		1.0
Elongation at Break, %		22

Poisson's Ratio		0.34
Poisson's Ratio		0.38

Shear Modulus, GPa		42
Shear Modulus, GPa		37

Tensile Strength: Ultimate (UTS), MPa		690
Tensile Strength: Ultimate (UTS), MPa		410

Tensile Strength: Yield (Proof), MPa		410
Tensile Strength: Yield (Proof), MPa		300

Thermal Properties

Latent Heat of Fusion, J/g		230
Latent Heat of Fusion, J/g		300

Specific Heat Capacity, J/kg-K		460
Specific Heat Capacity, J/kg-K		260

Thermal Expansion, µm/m-K		18
Thermal Expansion, µm/m-K		7.2

Otherwise Unclassified Properties

Density, g/cm³		8.1
Density, g/cm³		9.0

Embodied Water, L/kg		410
Embodied Water, L/kg		950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		6.0
Resilience: Ultimate (Unit Rupture Work), MJ/m³		84

Resilience: Unit (Modulus of Resilience), kJ/m³		750
Resilience: Unit (Modulus of Resilience), kJ/m³		430

Stiffness to Weight: Axial, points		7.8
Stiffness to Weight: Axial, points		6.3

Stiffness to Weight: Bending, points		20
Stiffness to Weight: Bending, points		17

Strength to Weight: Axial, points		24
Strength to Weight: Axial, points		13

Strength to Weight: Bending, points		22
Strength to Weight: Bending, points		14

Thermal Shock Resistance, points		24
Thermal Shock Resistance, points		40

Alloy Composition

Aluminum (Al), %		12.5 to 13.5
Aluminum (Al), %		0

Carbon (C), %		0
Carbon (C), %		0 to 0.015

Copper (Cu), %		78.5 to 84
Copper (Cu), %		0

Hafnium (Hf), %		0
Hafnium (Hf), %		9.0 to 11

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

Iron (Fe), %		3.5 to 5.5
Iron (Fe), %		0

Manganese (Mn), %		0 to 2.0
Manganese (Mn), %		0

Niobium (Nb), %		0
Niobium (Nb), %		85.9 to 90.3

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

Oxygen (O), %		0
Oxygen (O), %		0 to 0.025

Tantalum (Ta), %		0
Tantalum (Ta), %		0 to 0.5

Titanium (Ti), %		0
Titanium (Ti), %		0.7 to 1.3

Tungsten (W), %		0
Tungsten (W), %		0 to 0.5

Zirconium (Zr), %		0
Zirconium (Zr), %		0 to 0.7

Residuals, %		0 to 0.5
Residuals, %		0