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Commercially Pure Zirconium vs. EN 1.4865 Stainless Steel

Commercially pure zirconium belongs to the otherwise unclassified metals classification, while EN 1.4865 stainless steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is commercially pure zirconium and the bottom bar is EN 1.4865 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
200
Elongation at Break, % 18
6.8
Fatigue Strength, MPa 60
120
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
76
Tensile Strength: Ultimate (UTS), MPa 430
470
Tensile Strength: Yield (Proof), MPa 240
250

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 22
12
Thermal Expansion, µm/m-K 5.5
15

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.0
Embodied Water, L/kg 450
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
27
Resilience: Unit (Modulus of Resilience), kJ/m3 290
160
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
16
Strength to Weight: Bending, points 19
17
Thermal Diffusivity, mm2/s 12
3.1
Thermal Shock Resistance, points 56
11

Alloy Composition

Carbon (C), % 0 to 0.050
0.3 to 0.5
Chromium (Cr), % 0 to 0.2
18 to 21
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
34.4 to 44.7
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
36 to 39
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.16
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Zirconium (Zr), % 94.7 to 100
0