C10800 Copper vs. Grade 705C Zirconium

C10800 copper belongs to the copper alloys classification, while grade 705C zirconium belongs to the otherwise unclassified metals. 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 C10800 copper and the bottom bar is grade 705C zirconium.

UNS C10800 Oxygen-Free Low-Phosphorus Copper Grade 705C Cast Zirconium

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		4.0 to 50
Elongation at Break, %		13

Poisson's Ratio		0.34
Poisson's Ratio		0.34

Rockwell B Hardness		10 to 60
Rockwell B Hardness		87

Shear Modulus, GPa		43
Shear Modulus, GPa		36

Tensile Strength: Ultimate (UTS), MPa		220 to 380
Tensile Strength: Ultimate (UTS), MPa		540

Tensile Strength: Yield (Proof), MPa		75 to 370
Tensile Strength: Yield (Proof), MPa		390

Thermal Properties

Latent Heat of Fusion, J/g		210
Latent Heat of Fusion, J/g		250

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

Thermal Conductivity, W/m-K		350
Thermal Conductivity, W/m-K		18

Thermal Expansion, µm/m-K		17
Thermal Expansion, µm/m-K		5.7

Otherwise Unclassified Properties

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

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		15 to 88
Resilience: Ultimate (Unit Rupture Work), MJ/m³		66

Resilience: Unit (Modulus of Resilience), kJ/m³		24 to 600
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		18
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		6.8 to 12
Strength to Weight: Axial, points		22

Strength to Weight: Bending, points		9.1 to 13
Strength to Weight: Bending, points		22

Thermal Diffusivity, mm²/s		100
Thermal Diffusivity, mm²/s		9.9

Thermal Shock Resistance, points		7.8 to 13
Thermal Shock Resistance, points		69

Alloy Composition

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

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

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

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

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

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

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