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Low-oxygen Zirconium vs. EN 1.4369 Stainless Steel

Low-oxygen zirconium belongs to the otherwise unclassified metals classification, while EN 1.4369 stainless steel belongs to the iron alloys. 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 low-oxygen zirconium and the bottom bar is EN 1.4369 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
200
Elongation at Break, % 23
40
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 37
77
Tensile Strength: Ultimate (UTS), MPa 330
850
Tensile Strength: Yield (Proof), MPa 270
390

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 22
15
Thermal Expansion, µm/m-K 5.7
17

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.7
Embodied Water, L/kg 450
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
280
Resilience: Unit (Modulus of Resilience), kJ/m3 370
380
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 14
31
Strength to Weight: Bending, points 16
26
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 42
18

Alloy Composition

Carbon (C), % 0 to 0.050
0.070 to 0.15
Chromium (Cr), % 0 to 0.2
17.5 to 19.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
63 to 70.2
Manganese (Mn), % 0
5.0 to 7.5
Nickel (Ni), % 0
6.5 to 8.5
Nitrogen (N), % 0 to 0.025
0.2 to 0.3
Oxygen (O), % 0 to 0.1
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.5 to 1.0
Sulfur (S), % 0
0 to 0.015
Zirconium (Zr), % 94.7 to 100
0