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Low-oxygen Zirconium vs. Grey Cast Iron

Low-oxygen zirconium belongs to the otherwise unclassified metals classification, while grey cast iron belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is low-oxygen zirconium and the bottom bar is grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
180
Elongation at Break, % 23
9.6
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 37
69
Tensile Strength: Ultimate (UTS), MPa 330
160 to 450
Tensile Strength: Yield (Proof), MPa 270
98 to 290

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Specific Heat Capacity, J/kg-K 270
490
Thermal Conductivity, W/m-K 22
46
Thermal Expansion, µm/m-K 5.7
11

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.5
Embodied Water, L/kg 450
44

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
13 to 37
Resilience: Unit (Modulus of Resilience), kJ/m3 370
27 to 240
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 14
5.8 to 17
Strength to Weight: Bending, points 16
8.7 to 17
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 42
6.0 to 17

Alloy Composition

Carbon (C), % 0 to 0.050
3.1 to 3.4
Chromium (Cr), % 0 to 0.2
0
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
92.1 to 93.9
Manganese (Mn), % 0
0.5 to 0.7
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.1
0
Phosphorus (P), % 0
0 to 0.9
Silicon (Si), % 0
2.5 to 2.8
Sulfur (S), % 0
0 to 0.15
Zirconium (Zr), % 94.7 to 100
0