Grade 704C Zirconium vs. C10800 Copper

Grade 704C zirconium belongs to the otherwise unclassified metals classification, while C10800 copper belongs to the copper alloys. There are 21 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 grade 704C zirconium and the bottom bar is C10800 copper.

Grade 704C Cast Zirconium UNS C10800 Oxygen-Free Low-Phosphorus Copper

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		97
Elastic (Young's, Tensile) Modulus, GPa		120

Elongation at Break, %		11
Elongation at Break, %		4.0 to 50

Poisson's Ratio		0.34
Poisson's Ratio		0.34

Rockwell B Hardness		85
Rockwell B Hardness		10 to 60

Shear Modulus, GPa		36
Shear Modulus, GPa		43

Tensile Strength: Ultimate (UTS), MPa		470
Tensile Strength: Ultimate (UTS), MPa		220 to 380

Tensile Strength: Yield (Proof), MPa		310
Tensile Strength: Yield (Proof), MPa		75 to 370

Thermal Properties

Latent Heat of Fusion, J/g		240
Latent Heat of Fusion, J/g		210

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

Thermal Conductivity, W/m-K		21
Thermal Conductivity, W/m-K		350

Thermal Expansion, µm/m-K		5.9
Thermal Expansion, µm/m-K		17

Otherwise Unclassified Properties

Density, g/cm³		6.7
Density, g/cm³		9.0

Embodied Water, L/kg		460
Embodied Water, L/kg		310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		48
Resilience: Ultimate (Unit Rupture Work), MJ/m³		15 to 88

Resilience: Unit (Modulus of Resilience), kJ/m³		490
Resilience: Unit (Modulus of Resilience), kJ/m³		24 to 600

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

Stiffness to Weight: Bending, points		23
Stiffness to Weight: Bending, points		18

Strength to Weight: Axial, points		20
Strength to Weight: Axial, points		6.8 to 12

Strength to Weight: Bending, points		20
Strength to Weight: Bending, points		9.1 to 13

Thermal Diffusivity, mm²/s		12
Thermal Diffusivity, mm²/s		100

Thermal Shock Resistance, points		58
Thermal Shock Resistance, points		7.8 to 13

Alloy Composition

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

Copper (Cu), %		0
Copper (Cu), %		99.95 to 99.995

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

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

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

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

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

Phosphorus (P), %		0 to 0.010
Phosphorus (P), %		0.0050 to 0.012

Tin (Sn), %		1.0 to 2.0
Tin (Sn), %		0

Zirconium (Zr), %		92.9 to 99
Zirconium (Zr), %		0