C44400 Brass vs. Grade 705C Zirconium

C44400 brass belongs to the copper alloys classification, while grade 705C zirconium belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is C44400 brass and the bottom bar is grade 705C zirconium.

UNS C44400 Admiralty Brass Grade 705C Cast Zirconium

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.32
Poisson's Ratio		0.34

Shear Modulus, GPa		41
Shear Modulus, GPa		36

Tensile Strength: Ultimate (UTS), MPa		350
Tensile Strength: Ultimate (UTS), MPa		540

Tensile Strength: Yield (Proof), MPa		120
Tensile Strength: Yield (Proof), MPa		390

Thermal Properties

Latent Heat of Fusion, J/g		180
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		110
Thermal Conductivity, W/m-K		18

Thermal Expansion, µm/m-K		20
Thermal Expansion, µm/m-K		5.7

Otherwise Unclassified Properties

Density, g/cm³		8.3
Density, g/cm³		6.7

Embodied Water, L/kg		330
Embodied Water, L/kg		450

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m³		65
Resilience: Unit (Modulus of Resilience), kJ/m³		790

Stiffness to Weight: Axial, points		7.2
Stiffness to Weight: Axial, points		8.1

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

Strength to Weight: Axial, points		12
Strength to Weight: Axial, points		22

Strength to Weight: Bending, points		13
Strength to Weight: Bending, points		22

Thermal Diffusivity, mm²/s		35
Thermal Diffusivity, mm²/s		9.9

Thermal Shock Resistance, points		12
Thermal Shock Resistance, points		69

Alloy Composition

Antimony (Sb), %		0.020 to 0.1
Antimony (Sb), %		0

Carbon (C), %		0
Carbon (C), %		0 to 0.1

Copper (Cu), %		70 to 73
Copper (Cu), %		0

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

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

Iron (Fe), %		0 to 0.060
Iron (Fe), %		0 to 0.3

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

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

Nitrogen (N), %		0
Nitrogen (N), %		0 to 0.030

Oxygen (O), %		0
Oxygen (O), %		0 to 0.3

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.010

Tin (Sn), %		0.9 to 1.2
Tin (Sn), %		0

Zinc (Zn), %		25.2 to 29.1
Zinc (Zn), %		0

Zirconium (Zr), %		0
Zirconium (Zr), %		91.9 to 98

Residuals, %		0 to 0.4
Residuals, %		0