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Low-oxygen Zirconium vs. S35115 Stainless Steel

Low-oxygen zirconium belongs to the otherwise unclassified metals classification, while S35115 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 S35115 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
200
Elongation at Break, % 23
46
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 37
79
Tensile Strength: Ultimate (UTS), MPa 330
670
Tensile Strength: Yield (Proof), MPa 270
310

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 22
15
Thermal Expansion, µm/m-K 5.7
16

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.9
Embodied Water, L/kg 450
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
250
Resilience: Unit (Modulus of Resilience), kJ/m3 370
240
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 14
24
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 12
3.9
Thermal Shock Resistance, points 42
15

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 0 to 0.2
23 to 25
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
47.6 to 55.8
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
1.5 to 2.5
Nickel (Ni), % 0
19 to 22
Nitrogen (N), % 0 to 0.025
0.2 to 0.3
Oxygen (O), % 0 to 0.1
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0.5 to 1.5
Sulfur (S), % 0
0 to 0.015
Zirconium (Zr), % 94.7 to 100
0