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Low-oxygen Zirconium vs. S32750 Stainless Steel

Low-oxygen zirconium belongs to the otherwise unclassified metals classification, while S32750 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 S32750 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
210
Elongation at Break, % 23
17
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 37
81
Tensile Strength: Ultimate (UTS), MPa 330
860
Tensile Strength: Yield (Proof), MPa 270
590

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 22
15
Thermal Expansion, µm/m-K 5.7
12

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
130
Resilience: Unit (Modulus of Resilience), kJ/m3 370
860
Stiffness to Weight: Axial, points 8.1
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 14
31
Strength to Weight: Bending, points 16
26
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 42
25

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 0 to 0.2
24 to 26
Copper (Cu), % 0
0 to 0.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
58.1 to 66.8
Manganese (Mn), % 0
0 to 1.2
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0 to 0.025
0.24 to 0.32
Oxygen (O), % 0 to 0.1
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 0.8
Sulfur (S), % 0
0 to 0.020
Zirconium (Zr), % 94.7 to 100
0