Grade 702C Zirconium vs. SAE-AISI M4 Steel

Grade 702C 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 (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 M4 steel.

Grade 702C Cast Zirconium SAE-AISI M4 (T11304) Molybdenum High-Speed Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		97
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.34
Poisson's Ratio		0.29

Shear Modulus, GPa		36
Shear Modulus, GPa		76

Tensile Strength: Ultimate (UTS), MPa		430
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		18
Strength to Weight: Axial, points		26 to 72

Strength to Weight: Bending, points		19
Strength to Weight: Bending, points		23 to 45

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

Thermal Shock Resistance, points		55
Thermal Shock Resistance, points		24 to 68

Alloy Composition

Carbon (C), %		0 to 0.1
Carbon (C), %		1.3 to 1.4

Chromium (Cr), %		0
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 0.3
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 0.030
Nitrogen (N), %		0

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

Phosphorus (P), %		0 to 0.010
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), %		94.8 to 100
Zirconium (Zr), %		0