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Commercially Pure Zirconium vs. EN 1.1203 Steel

Commercially pure zirconium belongs to the otherwise unclassified metals classification, while EN 1.1203 steel belongs to the iron alloys. There are 21 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 commercially pure zirconium and the bottom bar is EN 1.1203 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 18
12 to 15
Fatigue Strength, MPa 60
210 to 310
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
72
Tensile Strength: Ultimate (UTS), MPa 430
690 to 780
Tensile Strength: Yield (Proof), MPa 240
340 to 480

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 22
48
Thermal Expansion, µm/m-K 5.5
12

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
69 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 290
310 to 610
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
25 to 28
Strength to Weight: Bending, points 19
22 to 24
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 56
22 to 25

Alloy Composition

Carbon (C), % 0 to 0.050
0.52 to 0.6
Chromium (Cr), % 0 to 0.2
0 to 0.4
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
97.1 to 98.9
Manganese (Mn), % 0
0.6 to 0.9
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.16
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Zirconium (Zr), % 94.7 to 100
0