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Reactor Grade Zirconium vs. S82012 Stainless Steel

Reactor grade zirconium belongs to the otherwise unclassified metals classification, while S82012 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is reactor grade zirconium and the bottom bar is S82012 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
200
Elongation at Break, % 21
40
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 37
78
Tensile Strength: Ultimate (UTS), MPa 330
800
Tensile Strength: Yield (Proof), MPa 160
560

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 5.9
13

Otherwise Unclassified Properties

Density, g/cm3 6.5
7.7
Embodied Water, L/kg 280
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
290
Resilience: Unit (Modulus of Resilience), kJ/m3 130
790
Stiffness to Weight: Axial, points 8.4
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 14
29
Strength to Weight: Bending, points 16
25
Thermal Diffusivity, mm2/s 13
3.9
Thermal Shock Resistance, points 41
23

Alloy Composition

Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
19 to 20.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 0
71.3 to 77.9
Manganese (Mn), % 0
2.0 to 4.0
Molybdenum (Mo), % 0
0.1 to 0.6
Nickel (Ni), % 0
0.8 to 1.5
Nitrogen (N), % 0
0.16 to 0.26
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.8
Sulfur (S), % 0
0 to 0.0050
Zirconium (Zr), % 99.7 to 100
0
Residuals, % 0 to 0.27
0