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N08020 Stainless Steel vs. Low-oxygen Zirconium

N08020 stainless steel belongs to the iron alloys classification, while low-oxygen zirconium belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is N08020 stainless steel and the bottom bar is low-oxygen zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
98
Elongation at Break, % 15 to 34
23
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
37
Tensile Strength: Ultimate (UTS), MPa 610 to 620
330
Tensile Strength: Yield (Proof), MPa 270 to 420
270

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Specific Heat Capacity, J/kg-K 460
270
Thermal Conductivity, W/m-K 12
22
Thermal Expansion, µm/m-K 15
5.7

Otherwise Unclassified Properties

Density, g/cm3 8.2
6.7
Embodied Water, L/kg 220
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 170
70
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 440
370
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 21
14
Strength to Weight: Bending, points 20
16
Thermal Diffusivity, mm2/s 3.2
12
Thermal Shock Resistance, points 15
42

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.050
Chromium (Cr), % 19 to 21
0 to 0.2
Copper (Cu), % 3.0 to 4.0
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 29.9 to 44
0 to 0.2
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 32 to 38
0
Niobium (Nb), % 0 to 1.0
0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.035
0
Zirconium (Zr), % 0
94.7 to 100