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Commercially Pure Zirconium vs. AISI 201 Stainless Steel

Commercially pure zirconium belongs to the otherwise unclassified metals classification, while AISI 201 stainless steel belongs to the iron alloys. There are 21 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 201 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
200
Elongation at Break, % 18
4.6 to 51
Fatigue Strength, MPa 60
280 to 600
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
77
Tensile Strength: Ultimate (UTS), MPa 430
650 to 1450
Tensile Strength: Yield (Proof), MPa 240
300 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 22
15
Thermal Expansion, µm/m-K 5.5
17

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
61 to 340
Resilience: Unit (Modulus of Resilience), kJ/m3 290
230 to 2970
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
23 to 52
Strength to Weight: Bending, points 19
22 to 37
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 56
14 to 32

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.15
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
67.5 to 75
Manganese (Mn), % 0
5.5 to 7.5
Nickel (Ni), % 0
3.5 to 5.5
Nitrogen (N), % 0 to 0.025
0 to 0.25
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