R60705 Alloy vs. EN 1.0454 Cast Steel

R60705 alloy belongs to the otherwise unclassified metals classification, while EN 1.0454 cast steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is R60705 alloy and the bottom bar is EN 1.0454 cast steel.

UNS R60705 Zirconium-Niobium Alloy EN 1.0454 (GE270) Cast Non-Alloy Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		98
Elastic (Young's, Tensile) Modulus, GPa		190

Elongation at Break, %		18
Elongation at Break, %		25

Fatigue Strength, MPa		290
Fatigue Strength, MPa		220

Poisson's Ratio		0.34
Poisson's Ratio		0.29

Shear Modulus, GPa		37
Shear Modulus, GPa		73

Tensile Strength: Ultimate (UTS), MPa		540
Tensile Strength: Ultimate (UTS), MPa		550

Tensile Strength: Yield (Proof), MPa		430
Tensile Strength: Yield (Proof), MPa		300

Thermal Properties

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

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

Thermal Conductivity, W/m-K		17
Thermal Conductivity, W/m-K		53

Thermal Expansion, µm/m-K		6.3
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

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

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		90
Resilience: Ultimate (Unit Rupture Work), MJ/m³		110

Resilience: Unit (Modulus of Resilience), kJ/m³		950
Resilience: Unit (Modulus of Resilience), kJ/m³		240

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		22
Strength to Weight: Axial, points		19

Strength to Weight: Bending, points		22
Strength to Weight: Bending, points		19

Thermal Diffusivity, mm²/s		9.5
Thermal Diffusivity, mm²/s		14

Thermal Shock Resistance, points		63
Thermal Shock Resistance, points		17

Alloy Composition

Carbon (C), %		0 to 0.050
Carbon (C), %		0

Chromium (Cr), %		0 to 0.2
Chromium (Cr), %		0

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

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

Iron (Fe), %		0 to 0.2
Iron (Fe), %		99.935 to 100

Niobium (Nb), %		2.0 to 3.0
Niobium (Nb), %		0

Nitrogen (N), %		0 to 0.025
Nitrogen (N), %		0

Oxygen (O), %		0 to 0.18
Oxygen (O), %		0

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.035

Sulfur (S), %		0
Sulfur (S), %		0 to 0.030

Zirconium (Zr), %		91 to 98
Zirconium (Zr), %		0