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EN 1.4347 Stainless Steel vs. Commercially Pure Zirconium

EN 1.4347 stainless steel belongs to the iron alloys classification, while commercially pure zirconium belongs to the otherwise unclassified metals. 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 EN 1.4347 stainless steel and the bottom bar is commercially pure zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
98
Elongation at Break, % 23
18
Fatigue Strength, MPa 320
60
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 79
36
Tensile Strength: Ultimate (UTS), MPa 660
430
Tensile Strength: Yield (Proof), MPa 480
240

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Specific Heat Capacity, J/kg-K 490
270
Thermal Conductivity, W/m-K 15
22
Thermal Expansion, µm/m-K 13
5.5

Otherwise Unclassified Properties

Density, g/cm3 7.7
6.7
Embodied Water, L/kg 170
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
65
Resilience: Unit (Modulus of Resilience), kJ/m3 570
290
Stiffness to Weight: Axial, points 15
8.1
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24
18
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 19
56

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.050
Chromium (Cr), % 25 to 27
0 to 0.2
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 62.2 to 69.4
0 to 0.2
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 5.5 to 7.5
0
Nitrogen (N), % 0.1 to 0.2
0 to 0.025
Oxygen (O), % 0
0 to 0.16
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.020
0
Zirconium (Zr), % 0
94.7 to 100