R60804 Alloy vs. C85500 Brass

R60804 alloy belongs to the otherwise unclassified metals classification, while C85500 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 R60804 alloy and the bottom bar is C85500 brass.

UNS R60804 Zirconium-Tin Alloy UNS C85500 Yellow Brass

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		98
Elastic (Young's, Tensile) Modulus, GPa		100

Elongation at Break, %		22
Elongation at Break, %		40

Poisson's Ratio		0.34
Poisson's Ratio		0.31

Shear Modulus, GPa		36
Shear Modulus, GPa		40

Tensile Strength: Ultimate (UTS), MPa		430
Tensile Strength: Ultimate (UTS), MPa		410

Tensile Strength: Yield (Proof), MPa		270
Tensile Strength: Yield (Proof), MPa		160

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		170

Specific Heat Capacity, J/kg-K		270
Specific Heat Capacity, J/kg-K		390

Thermal Conductivity, W/m-K		22
Thermal Conductivity, W/m-K		120

Thermal Expansion, µm/m-K		6.0
Thermal Expansion, µm/m-K		21

Otherwise Unclassified Properties

Density, g/cm³		6.5
Density, g/cm³		8.0

Embodied Water, L/kg		290
Embodied Water, L/kg		320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		85
Resilience: Ultimate (Unit Rupture Work), MJ/m³		130

Resilience: Unit (Modulus of Resilience), kJ/m³		380
Resilience: Unit (Modulus of Resilience), kJ/m³		120

Stiffness to Weight: Axial, points		8.3
Stiffness to Weight: Axial, points		7.3

Stiffness to Weight: Bending, points		23
Stiffness to Weight: Bending, points		20

Strength to Weight: Axial, points		18
Strength to Weight: Axial, points		14

Strength to Weight: Bending, points		19
Strength to Weight: Bending, points		15

Thermal Diffusivity, mm²/s		12
Thermal Diffusivity, mm²/s		38

Thermal Shock Resistance, points		53
Thermal Shock Resistance, points		14

Alloy Composition

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Chromium (Cr), %		0.070 to 0.13
Chromium (Cr), %		0

Copper (Cu), %		0
Copper (Cu), %		59 to 63

Iron (Fe), %		0.18 to 0.24
Iron (Fe), %		0 to 0.2

Lead (Pb), %		0
Lead (Pb), %		0 to 0.2

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.2

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.2

Tin (Sn), %		1.2 to 1.7
Tin (Sn), %		0 to 0.2

Zinc (Zn), %		0
Zinc (Zn), %		35.1 to 41

Zirconium (Zr), %		97.8 to 98.6
Zirconium (Zr), %		0

Residuals, %		0 to 0.12
Residuals, %		0 to 0.9