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Commercially Pure Zirconium vs. EN 1.6368 Steel

Commercially pure zirconium belongs to the otherwise unclassified metals classification, while EN 1.6368 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 1.6368 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 18
18
Fatigue Strength, MPa 60
310 to 330
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 430
660 to 690
Tensile Strength: Yield (Proof), MPa 240
460 to 490

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 22
40
Thermal Expansion, µm/m-K 5.5
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.9
Embodied Water, L/kg 450
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
110
Resilience: Unit (Modulus of Resilience), kJ/m3 290
580 to 650
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
23 to 24
Strength to Weight: Bending, points 19
21 to 22
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 56
20

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.040
Carbon (C), % 0 to 0.050
0 to 0.17
Chromium (Cr), % 0 to 0.2
0 to 0.3
Copper (Cu), % 0
0.5 to 0.8
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
95.1 to 97.2
Manganese (Mn), % 0
0.8 to 1.2
Molybdenum (Mo), % 0
0.25 to 0.5
Nickel (Ni), % 0
1.0 to 1.3
Niobium (Nb), % 0
0.015 to 0.045
Nitrogen (N), % 0 to 0.025
0 to 0.020
Oxygen (O), % 0 to 0.16
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0.25 to 0.5
Sulfur (S), % 0
0 to 0.010
Zirconium (Zr), % 94.7 to 100
0