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Low-oxygen Zirconium vs. S44627 Stainless Steel

Low-oxygen zirconium belongs to the otherwise unclassified metals classification, while S44627 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is low-oxygen zirconium and the bottom bar is S44627 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
200
Elongation at Break, % 23
24
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 37
80
Tensile Strength: Ultimate (UTS), MPa 330
490
Tensile Strength: Yield (Proof), MPa 270
300

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 22
17
Thermal Expansion, µm/m-K 5.7
11

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.7
Embodied Water, L/kg 450
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
100
Resilience: Unit (Modulus of Resilience), kJ/m3 370
220
Stiffness to Weight: Axial, points 8.1
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 14
18
Strength to Weight: Bending, points 16
18
Thermal Diffusivity, mm2/s 12
4.6
Thermal Shock Resistance, points 42
16

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.010
Chromium (Cr), % 0 to 0.2
25 to 27.5
Copper (Cu), % 0
0 to 0.2
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
69.2 to 74.2
Manganese (Mn), % 0
0 to 0.4
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.050 to 0.2
Nitrogen (N), % 0 to 0.025
0 to 0.015
Oxygen (O), % 0 to 0.1
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.020
Zirconium (Zr), % 94.7 to 100
0