EN 1.0031 Steel vs. Grade 702C Zirconium

EN 1.0031 steel belongs to the iron alloys classification, while grade 702C zirconium belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.0031 steel and the bottom bar is grade 702C zirconium.

EN 1.0031 (E190) Non-Alloy Steel Grade 702C Cast Zirconium

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		89
Brinell Hardness		180

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		97

Elongation at Break, %		28
Elongation at Break, %		13

Poisson's Ratio		0.29
Poisson's Ratio		0.34

Shear Modulus, GPa		73
Shear Modulus, GPa		36

Tensile Strength: Ultimate (UTS), MPa		310
Tensile Strength: Ultimate (UTS), MPa		430

Tensile Strength: Yield (Proof), MPa		210
Tensile Strength: Yield (Proof), MPa		310

Thermal Properties

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

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		270

Thermal Conductivity, W/m-K		53
Thermal Conductivity, W/m-K		22

Thermal Expansion, µm/m-K		12
Thermal Expansion, µm/m-K		5.7

Otherwise Unclassified Properties

Density, g/cm³		7.9
Density, g/cm³		6.7

Embodied Water, L/kg		45
Embodied Water, L/kg		450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		78
Resilience: Ultimate (Unit Rupture Work), MJ/m³		52

Resilience: Unit (Modulus of Resilience), kJ/m³		120
Resilience: Unit (Modulus of Resilience), kJ/m³		510

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		8.1

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		11
Strength to Weight: Axial, points		18

Strength to Weight: Bending, points		13
Strength to Weight: Bending, points		19

Thermal Diffusivity, mm²/s		14
Thermal Diffusivity, mm²/s		12

Thermal Shock Resistance, points		9.8
Thermal Shock Resistance, points		55

Alloy Composition

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

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

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

Iron (Fe), %		98.8 to 100
Iron (Fe), %		0 to 0.3

Manganese (Mn), %		0 to 0.7
Manganese (Mn), %		0

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

Oxygen (O), %		0
Oxygen (O), %		0 to 0.25

Phosphorus (P), %		0 to 0.045
Phosphorus (P), %		0 to 0.010

Silicon (Si), %		0 to 0.35
Silicon (Si), %		0

Sulfur (S), %		0 to 0.045
Sulfur (S), %		0

Zirconium (Zr), %		0
Zirconium (Zr), %		94.8 to 100