R60802 Alloy vs. C37100 Brass

R60802 alloy belongs to the otherwise unclassified metals classification, while C37100 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 R60802 alloy and the bottom bar is C37100 brass.

UNS R60802 Zirconium-Tin Alloy UNS C37100 Leaded 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, %		8.0 to 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		370 to 520

Tensile Strength: Yield (Proof), MPa		270
Tensile Strength: Yield (Proof), MPa		150 to 390

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		380

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		38 to 120

Resilience: Unit (Modulus of Resilience), kJ/m³		380
Resilience: Unit (Modulus of Resilience), kJ/m³		110 to 750

Stiffness to Weight: Axial, points		8.3
Stiffness to Weight: Axial, points		7.2

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

Strength to Weight: Axial, points		18
Strength to Weight: Axial, points		13 to 18

Strength to Weight: Bending, points		19
Strength to Weight: Bending, points		14 to 18

Thermal Diffusivity, mm²/s		12
Thermal Diffusivity, mm²/s		39

Thermal Shock Resistance, points		53
Thermal Shock Resistance, points		12 to 17

Alloy Composition

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Chromium (Cr), %		0.050 to 0.15
Chromium (Cr), %		0

Copper (Cu), %		0
Copper (Cu), %		58 to 62

Iron (Fe), %		0.070 to 0.2
Iron (Fe), %		0 to 0.15

Lead (Pb), %		0
Lead (Pb), %		0.6 to 1.2

Nickel (Ni), %		0.030 to 0.080
Nickel (Ni), %		0

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

Zinc (Zn), %		0
Zinc (Zn), %		36.3 to 41.4

Zirconium (Zr), %		97.8 to 98.7
Zirconium (Zr), %		0

Residuals, %		0 to 0.11
Residuals, %		0 to 0.4