Reactor Grade Zirconium vs. C69300 Brass

Reactor grade zirconium belongs to the otherwise unclassified metals classification, while C69300 brass belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is reactor grade zirconium and the bottom bar is C69300 brass.

Reactor Grade (R60001) Zirconium UNS C69300 Silicon Brass

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		98
Elastic (Young's, Tensile) Modulus, GPa		110

Elongation at Break, %		21
Elongation at Break, %		8.5 to 15

Poisson's Ratio		0.34
Poisson's Ratio		0.32

Shear Modulus, GPa		37
Shear Modulus, GPa		41

Tensile Strength: Ultimate (UTS), MPa		330
Tensile Strength: Ultimate (UTS), MPa		550 to 630

Tensile Strength: Yield (Proof), MPa		160
Tensile Strength: Yield (Proof), MPa		300 to 390

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		240

Specific Heat Capacity, J/kg-K		270
Specific Heat Capacity, J/kg-K		400

Thermal Conductivity, W/m-K		22
Thermal Conductivity, W/m-K		38

Thermal Expansion, µm/m-K		5.9
Thermal Expansion, µm/m-K		19

Otherwise Unclassified Properties

Density, g/cm³		6.5
Density, g/cm³		8.2

Embodied Water, L/kg		280
Embodied Water, L/kg		310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		56
Resilience: Ultimate (Unit Rupture Work), MJ/m³		47 to 70

Resilience: Unit (Modulus of Resilience), kJ/m³		130
Resilience: Unit (Modulus of Resilience), kJ/m³		400 to 700

Stiffness to Weight: Axial, points		8.4
Stiffness to Weight: Axial, points		7.4

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		19

Strength to Weight: Axial, points		14
Strength to Weight: Axial, points		19 to 21

Strength to Weight: Bending, points		16
Strength to Weight: Bending, points		18 to 20

Thermal Diffusivity, mm²/s		13
Thermal Diffusivity, mm²/s		12

Thermal Shock Resistance, points		41
Thermal Shock Resistance, points		19 to 22

Alloy Composition

Copper (Cu), %		0
Copper (Cu), %		73 to 77

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

Lead (Pb), %		0
Lead (Pb), %		0 to 0.090

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.1

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.1

Phosphorus (P), %		0
Phosphorus (P), %		0.040 to 0.15

Silicon (Si), %		0
Silicon (Si), %		2.7 to 3.4

Tin (Sn), %		0
Tin (Sn), %		0 to 0.2

Zinc (Zn), %		0
Zinc (Zn), %		18.4 to 24.3

Zirconium (Zr), %		99.7 to 100
Zirconium (Zr), %		0

Residuals, %		0
Residuals, %		0 to 0.5