C99400 Brass vs. R60705 Alloy

C99400 brass belongs to the copper alloys classification, while R60705 alloy belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is C99400 brass and the bottom bar is R60705 alloy.

UNS C99400 Brass UNS R60705 Zirconium-Niobium Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		120
Elastic (Young's, Tensile) Modulus, GPa		98

Poisson's Ratio		0.34
Poisson's Ratio		0.34

Shear Modulus, GPa		44
Shear Modulus, GPa		37

Tensile Strength: Ultimate (UTS), MPa		460 to 550
Tensile Strength: Ultimate (UTS), MPa		540

Tensile Strength: Yield (Proof), MPa		230 to 370
Tensile Strength: Yield (Proof), MPa		430

Thermal Properties

Latent Heat of Fusion, J/g		230
Latent Heat of Fusion, J/g		250

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

Thermal Expansion, µm/m-K		17
Thermal Expansion, µm/m-K		6.3

Otherwise Unclassified Properties

Density, g/cm³		8.7
Density, g/cm³		6.7

Embodied Water, L/kg		310
Embodied Water, L/kg		450

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m³		230 to 590
Resilience: Unit (Modulus of Resilience), kJ/m³		950

Stiffness to Weight: Axial, points		7.5
Stiffness to Weight: Axial, points		8.1

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

Strength to Weight: Axial, points		15 to 17
Strength to Weight: Axial, points		22

Strength to Weight: Bending, points		15 to 17
Strength to Weight: Bending, points		22

Thermal Shock Resistance, points		16 to 19
Thermal Shock Resistance, points		63

Alloy Composition

Aluminum (Al), %		0.5 to 2.0
Aluminum (Al), %		0

Carbon (C), %		0
Carbon (C), %		0 to 0.050

Chromium (Cr), %		0
Chromium (Cr), %		0 to 0.2

Copper (Cu), %		83.5 to 96.5
Copper (Cu), %		0

Hafnium (Hf), %		0
Hafnium (Hf), %		0 to 4.5

Hydrogen (H), %		0
Hydrogen (H), %		0 to 0.0050

Iron (Fe), %		1.0 to 3.0
Iron (Fe), %		0 to 0.2

Lead (Pb), %		0 to 0.25
Lead (Pb), %		0

Manganese (Mn), %		0 to 0.5
Manganese (Mn), %		0

Nickel (Ni), %		1.0 to 3.5
Nickel (Ni), %		0

Niobium (Nb), %		0
Niobium (Nb), %		2.0 to 3.0

Nitrogen (N), %		0
Nitrogen (N), %		0 to 0.025

Oxygen (O), %		0
Oxygen (O), %		0 to 0.18

Silicon (Si), %		0.5 to 2.0
Silicon (Si), %		0

Zinc (Zn), %		0.5 to 5.0
Zinc (Zn), %		0

Zirconium (Zr), %		0
Zirconium (Zr), %		91 to 98

Residuals, %		0 to 0.3
Residuals, %		0