Grade 704C Zirconium vs. CR018A Copper

Grade 704C zirconium belongs to the otherwise unclassified metals classification, while CR018A copper belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade 704C zirconium and the bottom bar is CR018A copper.

Grade 704C Cast Zirconium EN CR018A (CuAg0.07(OF)) Silver-Bearing Oxygen-Free 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, %		15

Poisson's Ratio		0.34
Poisson's Ratio		0.34

Shear Modulus, GPa		36
Shear Modulus, GPa		43

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

Tensile Strength: Yield (Proof), MPa		310
Tensile Strength: Yield (Proof), MPa		130

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		390

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		360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		48
Resilience: Ultimate (Unit Rupture Work), MJ/m³		29

Resilience: Unit (Modulus of Resilience), kJ/m³		490
Resilience: Unit (Modulus of Resilience), kJ/m³		76

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

Strength to Weight: Bending, points		20
Strength to Weight: Bending, points		9.0

Thermal Diffusivity, mm²/s		12
Thermal Diffusivity, mm²/s		110

Thermal Shock Resistance, points		58
Thermal Shock Resistance, points		7.8

Alloy Composition

Bismuth (Bi), %		0
Bismuth (Bi), %		0 to 0.00050

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

Copper (Cu), %		0
Copper (Cu), %		99.914 to 99.94

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

Silver (Ag), %		0
Silver (Ag), %		0.060 to 0.080

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

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