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Commercially Pure Zirconium vs. S32906 Stainless Steel

Commercially pure zirconium belongs to the otherwise unclassified metals classification, while S32906 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 S32906 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
210
Elongation at Break, % 18
28
Fatigue Strength, MPa 60
460
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 36
81
Tensile Strength: Ultimate (UTS), MPa 430
850
Tensile Strength: Yield (Proof), MPa 240
620

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 22
13
Thermal Expansion, µm/m-K 5.5
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.7
Embodied Water, L/kg 450
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
220
Resilience: Unit (Modulus of Resilience), kJ/m3 290
950
Stiffness to Weight: Axial, points 8.1
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
30
Strength to Weight: Bending, points 19
26
Thermal Diffusivity, mm2/s 12
3.6
Thermal Shock Resistance, points 56
23

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 0 to 0.2
28 to 30
Copper (Cu), % 0
0 to 0.8
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
56.6 to 63.6
Manganese (Mn), % 0
0.8 to 1.5
Molybdenum (Mo), % 0
1.5 to 2.6
Nickel (Ni), % 0
5.8 to 7.5
Nitrogen (N), % 0 to 0.025
0.3 to 0.4
Oxygen (O), % 0 to 0.16
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Zirconium (Zr), % 94.7 to 100
0