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Commercially Pure Zirconium vs. EN 1.1244 Steel

Commercially pure zirconium belongs to the otherwise unclassified metals classification, while EN 1.1244 steel belongs to the iron alloys. There are 16 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 commercially pure zirconium and the bottom bar is EN 1.1244 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
72
Tensile Strength: Ultimate (UTS), MPa 430
730 to 770

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 22
51
Thermal Expansion, µm/m-K 5.5
12

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
47

Common Calculations

Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
26 to 28
Strength to Weight: Bending, points 19
23 to 24
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 56
23 to 25

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.050
0.65 to 0.75
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0
0 to 0.3
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
98.1 to 99.2
Manganese (Mn), % 0
0.8 to 1.1
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.16
0 to 0.0020
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.030
Zirconium (Zr), % 94.7 to 100
0