Low-oxygen Zirconium vs. SAE-AISI M4 Steel

Low-oxygen zirconium belongs to the otherwise unclassified metals classification, while SAE-AISI M4 steel belongs to the iron alloys. There are 16 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 low-oxygen zirconium and the bottom bar is SAE-AISI M4 steel.

Low-Oxygen (R60700) Zirconium SAE-AISI M4 (T11304) Molybdenum High-Speed Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		98
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.34
Poisson's Ratio		0.29

Shear Modulus, GPa		37
Shear Modulus, GPa		76

Tensile Strength: Ultimate (UTS), MPa		330
Tensile Strength: Ultimate (UTS), MPa		770 to 2150

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		260

Specific Heat Capacity, J/kg-K		270
Specific Heat Capacity, J/kg-K		440

Thermal Conductivity, W/m-K		22
Thermal Conductivity, W/m-K		25

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

Otherwise Unclassified Properties

Density, g/cm³		6.7
Density, g/cm³		8.3

Embodied Water, L/kg		450
Embodied Water, L/kg		110

Common Calculations

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

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

Strength to Weight: Axial, points		14
Strength to Weight: Axial, points		26 to 72

Strength to Weight: Bending, points		16
Strength to Weight: Bending, points		23 to 45

Thermal Diffusivity, mm²/s		12
Thermal Diffusivity, mm²/s		6.9

Thermal Shock Resistance, points		42
Thermal Shock Resistance, points		24 to 68

Alloy Composition

Carbon (C), %		0 to 0.050
Carbon (C), %		1.3 to 1.4

Chromium (Cr), %		0 to 0.2
Chromium (Cr), %		3.8 to 4.8

Copper (Cu), %		0
Copper (Cu), %		0 to 0.25

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), %		75.9 to 81.4

Manganese (Mn), %		0
Manganese (Mn), %		0.15 to 0.4

Molybdenum (Mo), %		0
Molybdenum (Mo), %		4.3 to 5.5

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.3

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

Oxygen (O), %		0 to 0.1
Oxygen (O), %		0

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		0
Silicon (Si), %		0.2 to 0.45

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

Tungsten (W), %		0
Tungsten (W), %		5.3 to 6.5

Vanadium (V), %		0
Vanadium (V), %		3.8 to 4.5

Zirconium (Zr), %		94.7 to 100
Zirconium (Zr), %		0