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Commercially Pure Zirconium vs. EN 1.3961 Alloy

Commercially pure zirconium belongs to the otherwise unclassified metals classification, while EN 1.3961 alloy belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is commercially pure zirconium and the bottom bar is EN 1.3961 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 18
31
Poisson's Ratio 0.34
0.3
Shear Modulus, GPa 36
72
Tensile Strength: Ultimate (UTS), MPa 430
450
Tensile Strength: Yield (Proof), MPa 240
310

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Specific Heat Capacity, J/kg-K 270
460
Thermal Expansion, µm/m-K 5.5
1.3

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.2
Embodied Water, L/kg 450
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
130
Resilience: Unit (Modulus of Resilience), kJ/m3 290
250
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 18
15
Strength to Weight: Bending, points 19
16
Thermal Shock Resistance, points 56
130

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.050
Chromium (Cr), % 0 to 0.2
0 to 0.25
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
60.7 to 65
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0
35 to 37
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.16
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.020
Zirconium (Zr), % 94.7 to 100
0