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Commercially Pure Zirconium vs. EN 1.7233 Steel

Commercially pure zirconium belongs to the otherwise unclassified metals classification, while EN 1.7233 steel belongs to the iron alloys. There are 21 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 commercially pure zirconium and the bottom bar is EN 1.7233 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 18
18 to 23
Fatigue Strength, MPa 60
270 to 530
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 430
700 to 960
Tensile Strength: Yield (Proof), MPa 240
380 to 780

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 22
39
Thermal Expansion, µm/m-K 5.5
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
110 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 290
380 to 1630
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
25 to 34
Strength to Weight: Bending, points 19
22 to 28
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 56
21 to 28

Alloy Composition

Carbon (C), % 0 to 0.050
0.39 to 0.45
Chromium (Cr), % 0 to 0.2
1.2 to 1.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
96.2 to 97.5
Manganese (Mn), % 0
0.4 to 0.7
Molybdenum (Mo), % 0
0.5 to 0.7
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.16
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Zirconium (Zr), % 94.7 to 100
0