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S38815 Stainless Steel vs. Reactor Grade Zirconium

S38815 stainless steel belongs to the iron alloys classification, while reactor grade zirconium belongs to the otherwise unclassified metals. There are 18 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 S38815 stainless steel and the bottom bar is reactor grade zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
98
Elongation at Break, % 34
21
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 74
37
Tensile Strength: Ultimate (UTS), MPa 610
330
Tensile Strength: Yield (Proof), MPa 290
160

Thermal Properties

Latent Heat of Fusion, J/g 370
250
Specific Heat Capacity, J/kg-K 500
270
Thermal Expansion, µm/m-K 15
5.9

Otherwise Unclassified Properties

Density, g/cm3 7.5
6.5
Embodied Water, L/kg 140
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
56
Resilience: Unit (Modulus of Resilience), kJ/m3 220
130
Stiffness to Weight: Axial, points 14
8.4
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
14
Strength to Weight: Bending, points 21
16
Thermal Shock Resistance, points 15
41

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 13 to 15
0
Copper (Cu), % 0.75 to 1.5
0
Iron (Fe), % 56.1 to 67
0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0.75 to 1.5
0
Nickel (Ni), % 13 to 17
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 5.5 to 6.5
0
Sulfur (S), % 0 to 0.020
0
Zirconium (Zr), % 0
99.7 to 100
Residuals, % 0
0 to 0.27