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EN 1.4568 Stainless Steel vs. Low-oxygen Zirconium

EN 1.4568 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 EN 1.4568 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, % 2.3 to 21
23
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
37
Tensile Strength: Ultimate (UTS), MPa 830 to 1620
330
Tensile Strength: Yield (Proof), MPa 330 to 1490
270

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Specific Heat Capacity, J/kg-K 480
270
Thermal Conductivity, W/m-K 16
22
Thermal Expansion, µm/m-K 13
5.7

Otherwise Unclassified Properties

Density, g/cm3 7.7
6.7
Embodied Water, L/kg 140
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36 to 140
70
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 5710
370
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 30 to 58
14
Strength to Weight: Bending, points 25 to 40
16
Thermal Diffusivity, mm2/s 4.3
12
Thermal Shock Resistance, points 23 to 46
42

Alloy Composition

Aluminum (Al), % 0.7 to 1.5
0
Carbon (C), % 0 to 0.090
0 to 0.050
Chromium (Cr), % 16 to 18
0 to 0.2
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 70.9 to 76.8
0 to 0.2
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 6.5 to 7.8
0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.7
0
Sulfur (S), % 0 to 0.015
0
Zirconium (Zr), % 0
94.7 to 100