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Commercially Pure Zirconium vs. AISI 205 Stainless Steel

Commercially pure zirconium belongs to the otherwise unclassified metals classification, while AISI 205 stainless steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is commercially pure zirconium and the bottom bar is AISI 205 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
200
Elongation at Break, % 18
11 to 51
Fatigue Strength, MPa 60
410 to 640
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
77
Tensile Strength: Ultimate (UTS), MPa 430
800 to 1430
Tensile Strength: Yield (Proof), MPa 240
450 to 1100

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
18

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.6
Embodied Water, L/kg 450
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
150 to 430
Resilience: Unit (Modulus of Resilience), kJ/m3 290
510 to 3060
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
26
Strength to Weight: Axial, points 18
29 to 52
Strength to Weight: Bending, points 19
25 to 37
Thermal Shock Resistance, points 56
16 to 29

Alloy Composition

Carbon (C), % 0 to 0.050
0.12 to 0.25
Chromium (Cr), % 0 to 0.2
16.5 to 18.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
62.6 to 68.1
Manganese (Mn), % 0
14 to 15.5
Nickel (Ni), % 0
1.0 to 1.7
Nitrogen (N), % 0 to 0.025
0.32 to 0.4
Oxygen (O), % 0 to 0.16
0
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zirconium (Zr), % 94.7 to 100
0