Grade 702C Zirconium vs. SAE-AISI 1090 Steel

Grade 702C zirconium belongs to the otherwise unclassified metals classification, while SAE-AISI 1090 steel belongs to the iron 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 702C zirconium and the bottom bar is SAE-AISI 1090 steel.

Grade 702C Cast Zirconium SAE-AISI 1090 (1.1273, G10900) Carbon Steel

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		180
Brinell Hardness		220 to 280

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

Elongation at Break, %		13
Elongation at Break, %		11

Poisson's Ratio		0.34
Poisson's Ratio		0.29

Shear Modulus, GPa		36
Shear Modulus, GPa		72

Tensile Strength: Ultimate (UTS), MPa		430
Tensile Strength: Ultimate (UTS), MPa		790 to 950

Tensile Strength: Yield (Proof), MPa		310
Tensile Strength: Yield (Proof), MPa		520 to 610

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		240

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

Thermal Conductivity, W/m-K		22
Thermal Conductivity, W/m-K		50

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

Otherwise Unclassified Properties

Density, g/cm³		6.7
Density, g/cm³		7.8

Embodied Water, L/kg		450
Embodied Water, L/kg		46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		52
Resilience: Ultimate (Unit Rupture Work), MJ/m³		82 to 91

Resilience: Unit (Modulus of Resilience), kJ/m³		510
Resilience: Unit (Modulus of Resilience), kJ/m³		730 to 1000

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

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

Strength to Weight: Axial, points		18
Strength to Weight: Axial, points		28 to 34

Strength to Weight: Bending, points		19
Strength to Weight: Bending, points		24 to 27

Thermal Diffusivity, mm²/s		12
Thermal Diffusivity, mm²/s		13

Thermal Shock Resistance, points		55
Thermal Shock Resistance, points		25 to 31

Alloy Composition

Carbon (C), %		0 to 0.1
Carbon (C), %		0.85 to 1.0

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), %		98 to 98.6

Manganese (Mn), %		0
Manganese (Mn), %		0.6 to 0.9

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

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

Phosphorus (P), %		0 to 0.010
Phosphorus (P), %		0 to 0.040

Sulfur (S), %		0
Sulfur (S), %		0 to 0.050

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