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Commercially Pure Zirconium vs. EN 1.4923 Stainless Steel

Commercially pure zirconium belongs to the otherwise unclassified metals classification, while EN 1.4923 stainless steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is commercially pure zirconium and the bottom bar is EN 1.4923 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 18
12 to 21
Fatigue Strength, MPa 60
300 to 440
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
76
Tensile Strength: Ultimate (UTS), MPa 430
870 to 980
Tensile Strength: Yield (Proof), MPa 240
470 to 780

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 22
24
Thermal Expansion, µm/m-K 5.5
11

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
110 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 290
570 to 1580
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
31 to 35
Strength to Weight: Bending, points 19
26 to 28
Thermal Diffusivity, mm2/s 12
6.5
Thermal Shock Resistance, points 56
30 to 34

Alloy Composition

Carbon (C), % 0 to 0.050
0.18 to 0.24
Chromium (Cr), % 0 to 0.2
11 to 12.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
83.5 to 87.1
Manganese (Mn), % 0
0.4 to 0.9
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 0
0.3 to 0.8
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 0.5
Sulfur (S), % 0
0 to 0.015
Vanadium (V), % 0
0.25 to 0.35
Zirconium (Zr), % 94.7 to 100
0