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EN 1.4477 Stainless Steel vs. Low-oxygen Zirconium

EN 1.4477 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 (14, in this case) are not shown.

For each property being compared, the top bar is EN 1.4477 stainless steel and the bottom bar is low-oxygen zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
98
Elongation at Break, % 22 to 23
23
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 81
37
Tensile Strength: Ultimate (UTS), MPa 880 to 930
330
Tensile Strength: Yield (Proof), MPa 620 to 730
270

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Specific Heat Capacity, J/kg-K 480
270
Thermal Conductivity, W/m-K 13
22
Thermal Expansion, µm/m-K 13
5.7

Otherwise Unclassified Properties

Density, g/cm3 7.7
6.7
Embodied Water, L/kg 190
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
70
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
370
Stiffness to Weight: Axial, points 15
8.1
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 31 to 33
14
Strength to Weight: Bending, points 26 to 27
16
Thermal Diffusivity, mm2/s 3.5
12
Thermal Shock Resistance, points 23 to 25
42

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 28 to 30
0 to 0.2
Copper (Cu), % 0 to 0.8
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 56.6 to 63.6
0 to 0.2
Manganese (Mn), % 0.8 to 1.5
0
Molybdenum (Mo), % 1.5 to 2.6
0
Nickel (Ni), % 5.8 to 7.5
0
Nitrogen (N), % 0.3 to 0.4
0 to 0.025
Oxygen (O), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Zirconium (Zr), % 0
94.7 to 100