Nuclear Grade Hafnium vs. C91600 Bronze

Nuclear grade hafnium belongs to the otherwise unclassified metals classification, while C91600 bronze belongs to the copper alloys. There are 17 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is nuclear grade hafnium and the bottom bar is C91600 bronze.

Nuclear Grade (Grade R1) Hafnium UNS C91600 Nickel Gear Bronze

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		78
Elastic (Young's, Tensile) Modulus, GPa		110

Elongation at Break, %		25
Elongation at Break, %		11

Poisson's Ratio		0.26
Poisson's Ratio		0.34

Shear Modulus, GPa		31
Shear Modulus, GPa		41

Tensile Strength: Ultimate (UTS), MPa		350
Tensile Strength: Ultimate (UTS), MPa		310

Tensile Strength: Yield (Proof), MPa		170
Tensile Strength: Yield (Proof), MPa		160

Thermal Properties

Latent Heat of Fusion, J/g		130
Latent Heat of Fusion, J/g		190

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

Thermal Expansion, µm/m-K		5.9
Thermal Expansion, µm/m-K		18

Otherwise Unclassified Properties

Density, g/cm³		13
Density, g/cm³		8.8

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		73
Resilience: Ultimate (Unit Rupture Work), MJ/m³		30

Resilience: Unit (Modulus of Resilience), kJ/m³		180
Resilience: Unit (Modulus of Resilience), kJ/m³		120

Stiffness to Weight: Axial, points		3.3
Stiffness to Weight: Axial, points		7.0

Stiffness to Weight: Bending, points		11
Stiffness to Weight: Bending, points		18

Strength to Weight: Axial, points		7.4
Strength to Weight: Axial, points		9.9

Strength to Weight: Bending, points		8.4
Strength to Weight: Bending, points		12

Thermal Shock Resistance, points		55
Thermal Shock Resistance, points		11

Alloy Composition

Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 452

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.0050

Antimony (Sb), %		0
Antimony (Sb), %		0 to 0.2

Copper (Cu), %		0
Copper (Cu), %		85.9 to 89.1

Hafnium (Hf), %		99.8 to 100
Hafnium (Hf), %		0

Iron (Fe), %		0
Iron (Fe), %		0 to 0.2

Lead (Pb), %		0
Lead (Pb), %		0 to 0.25

Nickel (Ni), %		0
Nickel (Ni), %		1.2 to 2.0

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.3

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

Sulfur (S), %		0
Sulfur (S), %		0 to 0.050

Tin (Sn), %		0
Tin (Sn), %		9.7 to 10.8

Zinc (Zn), %		0
Zinc (Zn), %		0 to 0.25

Residuals, %		0 to 0.23
Residuals, %		0