C43000 Brass vs. R60901 Alloy

C43000 brass belongs to the copper alloys classification, while R60901 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 C43000 brass and the bottom bar is R60901 alloy.

UNS C43000 Tin Brass UNS R60901 Zirconium-Niobium Alloy

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		3.0 to 55
Elongation at Break, %		17 to 22

Poisson's Ratio		0.33
Poisson's Ratio		0.34

Shear Modulus, GPa		42
Shear Modulus, GPa		37

Tensile Strength: Ultimate (UTS), MPa		320 to 710
Tensile Strength: Ultimate (UTS), MPa		500 to 580

Tensile Strength: Yield (Proof), MPa		130 to 550
Tensile Strength: Yield (Proof), MPa		350 to 390

Thermal Properties

Latent Heat of Fusion, J/g		190
Latent Heat of Fusion, J/g		250

Specific Heat Capacity, J/kg-K		380
Specific Heat Capacity, J/kg-K		270

Thermal Conductivity, W/m-K		120
Thermal Conductivity, W/m-K		17

Thermal Expansion, µm/m-K		18
Thermal Expansion, µm/m-K		6.3

Otherwise Unclassified Properties

Density, g/cm³		8.6
Density, g/cm³		6.6

Embodied Water, L/kg		330
Embodied Water, L/kg		270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		20 to 150
Resilience: Ultimate (Unit Rupture Work), MJ/m³		88 to 100

Resilience: Unit (Modulus of Resilience), kJ/m³		82 to 1350
Resilience: Unit (Modulus of Resilience), kJ/m³		640 to 760

Stiffness to Weight: Axial, points		7.1
Stiffness to Weight: Axial, points		8.3

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

Strength to Weight: Axial, points		10 to 23
Strength to Weight: Axial, points		21 to 25

Strength to Weight: Bending, points		12 to 20
Strength to Weight: Bending, points		21 to 24

Thermal Diffusivity, mm²/s		36
Thermal Diffusivity, mm²/s		9.7

Thermal Shock Resistance, points		11 to 25
Thermal Shock Resistance, points		58 to 67

Alloy Composition

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Copper (Cu), %		84 to 87
Copper (Cu), %		0

Iron (Fe), %		0 to 0.050
Iron (Fe), %		0

Lead (Pb), %		0 to 0.1
Lead (Pb), %		0

Niobium (Nb), %		0
Niobium (Nb), %		2.4 to 2.8

Tin (Sn), %		1.7 to 2.7
Tin (Sn), %		0

Zinc (Zn), %		9.7 to 14.3
Zinc (Zn), %		0

Zirconium (Zr), %		0
Zirconium (Zr), %		96.8 to 97.5

Residuals, %		0 to 0.5
Residuals, %		0 to 0.29