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Commercially Pure Zirconium vs. EN 1.4568 Stainless Steel

Commercially pure zirconium belongs to the otherwise unclassified metals classification, while EN 1.4568 stainless 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 1.4568 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
200
Elongation at Break, % 18
2.3 to 21
Fatigue Strength, MPa 60
220 to 670
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
76
Tensile Strength: Ultimate (UTS), MPa 430
830 to 1620
Tensile Strength: Yield (Proof), MPa 240
330 to 1490

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 22
16
Thermal Expansion, µm/m-K 5.5
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.7
Embodied Water, L/kg 450
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
36 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 290
290 to 5710
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
30 to 58
Strength to Weight: Bending, points 19
25 to 40
Thermal Diffusivity, mm2/s 12
4.3
Thermal Shock Resistance, points 56
23 to 46

Alloy Composition

Aluminum (Al), % 0
0.7 to 1.5
Carbon (C), % 0 to 0.050
0 to 0.090
Chromium (Cr), % 0 to 0.2
16 to 18
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
70.9 to 76.8
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
6.5 to 7.8
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.16
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.7
Sulfur (S), % 0
0 to 0.015
Zirconium (Zr), % 94.7 to 100
0