C66700 Brass vs. R60804 Alloy

C66700 brass belongs to the copper alloys classification, while R60804 alloy belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C66700 brass and the bottom bar is R60804 alloy.

UNS C66700 Manganese Brass UNS R60804 Zirconium-Tin Alloy

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		2.0 to 58
Elongation at Break, %		22

Poisson's Ratio		0.31
Poisson's Ratio		0.34

Shear Modulus, GPa		41
Shear Modulus, GPa		36

Tensile Strength: Ultimate (UTS), MPa		340 to 690
Tensile Strength: Ultimate (UTS), MPa		430

Tensile Strength: Yield (Proof), MPa		100 to 640
Tensile Strength: Yield (Proof), MPa		270

Thermal Properties

Latent Heat of Fusion, J/g		180
Latent Heat of Fusion, J/g		250

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

Thermal Conductivity, W/m-K		97
Thermal Conductivity, W/m-K		22

Thermal Expansion, µm/m-K		20
Thermal Expansion, µm/m-K		6.0

Otherwise Unclassified Properties

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

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		13 to 150
Resilience: Ultimate (Unit Rupture Work), MJ/m³		85

Resilience: Unit (Modulus of Resilience), kJ/m³		49 to 1900
Resilience: Unit (Modulus of Resilience), kJ/m³		380

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

Stiffness to Weight: Bending, points		19
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		11 to 23
Strength to Weight: Axial, points		18

Strength to Weight: Bending, points		13 to 21
Strength to Weight: Bending, points		19

Thermal Diffusivity, mm²/s		30
Thermal Diffusivity, mm²/s		12

Thermal Shock Resistance, points		11 to 23
Thermal Shock Resistance, points		53

Alloy Composition

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

Copper (Cu), %		68.5 to 71.5
Copper (Cu), %		0

Iron (Fe), %		0 to 0.1
Iron (Fe), %		0.18 to 0.24

Lead (Pb), %		0 to 0.070
Lead (Pb), %		0

Manganese (Mn), %		0.8 to 1.5
Manganese (Mn), %		0

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

Zinc (Zn), %		26.3 to 30.7
Zinc (Zn), %		0

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

Residuals, %		0 to 0.5
Residuals, %		0 to 0.12