Grade 704C Zirconium vs. ASTM A356 Grade 1

Grade 704C zirconium belongs to the otherwise unclassified metals classification, while ASTM A356 grade 1 belongs to the iron alloys. There are 20 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 704C zirconium and the bottom bar is ASTM A356 grade 1.

Grade 704C Cast Zirconium ASTM A356 Grade 1 (J03502) Cast Carbon Steel

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		11
Elongation at Break, %		23

Poisson's Ratio		0.34
Poisson's Ratio		0.29

Shear Modulus, GPa		36
Shear Modulus, GPa		73

Tensile Strength: Ultimate (UTS), MPa		470
Tensile Strength: Ultimate (UTS), MPa		550

Tensile Strength: Yield (Proof), MPa		310
Tensile Strength: Yield (Proof), MPa		280

Thermal Properties

Latent Heat of Fusion, J/g		240
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		21
Thermal Conductivity, W/m-K		51

Thermal Expansion, µm/m-K		5.9
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

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

Embodied Water, L/kg		460
Embodied Water, L/kg		45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		48
Resilience: Ultimate (Unit Rupture Work), MJ/m³		110

Resilience: Unit (Modulus of Resilience), kJ/m³		490
Resilience: Unit (Modulus of Resilience), kJ/m³		210

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		20
Strength to Weight: Axial, points		20

Strength to Weight: Bending, points		20
Strength to Weight: Bending, points		19

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

Thermal Shock Resistance, points		58
Thermal Shock Resistance, points		18

Alloy Composition

Carbon (C), %		0 to 0.1
Carbon (C), %		0 to 0.35

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), %		98.3 to 100

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

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

Oxygen (O), %		0 to 0.3
Oxygen (O), %		0

Phosphorus (P), %		0 to 0.010
Phosphorus (P), %		0 to 0.035

Silicon (Si), %		0
Silicon (Si), %		0 to 0.6

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

Tin (Sn), %		1.0 to 2.0
Tin (Sn), %		0

Zirconium (Zr), %		92.9 to 99
Zirconium (Zr), %		0