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Low-oxygen Zirconium vs. AISI 309 Stainless Steel

Low-oxygen zirconium belongs to the otherwise unclassified metals classification, while AISI 309 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is low-oxygen zirconium and the bottom bar is AISI 309 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
200
Elongation at Break, % 23
34 to 47
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 37
78
Tensile Strength: Ultimate (UTS), MPa 330
600 to 710
Tensile Strength: Yield (Proof), MPa 270
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 22
16
Thermal Expansion, µm/m-K 5.7
15

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
200 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 370
170 to 310
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 14
21 to 25
Strength to Weight: Bending, points 16
20 to 23
Thermal Diffusivity, mm2/s 12
4.3
Thermal Shock Resistance, points 42
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.2
Chromium (Cr), % 0 to 0.2
22 to 24
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
58 to 66
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
12 to 15
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.1
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Zirconium (Zr), % 94.7 to 100
0