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AISI 304L Stainless Steel vs. Reactor Grade Zirconium

AISI 304L stainless steel belongs to the iron alloys classification, while reactor grade zirconium belongs to the otherwise unclassified metals. 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 AISI 304L stainless steel and the bottom bar is reactor grade zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
98
Elongation at Break, % 6.7 to 46
21
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
37
Tensile Strength: Ultimate (UTS), MPa 540 to 1160
330
Tensile Strength: Yield (Proof), MPa 190 to 870
160

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Specific Heat Capacity, J/kg-K 480
270
Thermal Conductivity, W/m-K 16
22
Thermal Expansion, µm/m-K 17
5.9

Otherwise Unclassified Properties

Density, g/cm3 7.8
6.5
Embodied Water, L/kg 150
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 240
56
Resilience: Unit (Modulus of Resilience), kJ/m3 92 to 1900
130
Stiffness to Weight: Axial, points 14
8.4
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19 to 41
14
Strength to Weight: Bending, points 19 to 31
16
Thermal Diffusivity, mm2/s 4.2
13
Thermal Shock Resistance, points 12 to 25
41

Alloy Composition


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Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 18 to 20
0
Iron (Fe), % 65 to 74
0
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 8.0 to 12
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Zirconium (Zr), % 0
99.7 to 100
Residuals, % 0
0 to 0.27