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Commercially Pure Zirconium vs. EN 1.4612 Stainless Steel

Commercially pure zirconium belongs to the otherwise unclassified metals classification, while EN 1.4612 stainless steel belongs to the iron alloys. There are 18 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 1.4612 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 18
11
Fatigue Strength, MPa 60
860 to 950
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
76
Tensile Strength: Ultimate (UTS), MPa 430
1690 to 1850
Tensile Strength: Yield (Proof), MPa 240
1570 to 1730

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Specific Heat Capacity, J/kg-K 270
480
Thermal Expansion, µm/m-K 5.5
11

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.9
Embodied Water, L/kg 450
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
190 to 210
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
60 to 65
Strength to Weight: Bending, points 19
40 to 43
Thermal Shock Resistance, points 56
58 to 63

Alloy Composition

Aluminum (Al), % 0
1.4 to 1.8
Carbon (C), % 0 to 0.050
0 to 0.015
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
71.5 to 75.5
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 0
1.8 to 2.3
Nickel (Ni), % 0
10.2 to 11.3
Nitrogen (N), % 0 to 0.025
0 to 0.010
Oxygen (O), % 0 to 0.16
0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0
0 to 0.0050
Titanium (Ti), % 0
0.2 to 0.5
Zirconium (Zr), % 94.7 to 100
0