C69300 Brass vs. Reactor Grade Zirconium

C69300 brass belongs to the copper alloys classification, while reactor grade zirconium belongs to the otherwise unclassified metals. 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 C69300 brass and the bottom bar is reactor grade zirconium.

UNS C69300 Silicon Brass Reactor Grade (R60001) Zirconium

Metric UnitsUS Customary Units

Mechanical Properties

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

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

Poisson's Ratio		0.32
Poisson's Ratio		0.34

Shear Modulus, GPa		41
Shear Modulus, GPa		37

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

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

Thermal Properties

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

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

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

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

Otherwise Unclassified Properties

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

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

Common Calculations

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

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

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

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

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

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

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

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

Alloy Composition

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

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

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

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

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

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

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

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

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

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

Residuals, %		0
Residuals, %		0 to 0.27