MakeItFrom.com
Menu (ESC)

Commercially Pure Zirconium vs. EN 1.7221 Steel

Commercially pure zirconium belongs to the otherwise unclassified metals classification, while EN 1.7221 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is commercially pure zirconium and the bottom bar is EN 1.7221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 18
11 to 17
Fatigue Strength, MPa 60
290 to 390
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 430
650 to 780
Tensile Strength: Yield (Proof), MPa 240
430 to 630

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 22
44
Thermal Expansion, µm/m-K 5.5
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
83 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 290
490 to 1050
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
23 to 27
Strength to Weight: Bending, points 19
21 to 24
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 56
19 to 23

Alloy Composition

Carbon (C), % 0 to 0.050
0.22 to 0.29
Chromium (Cr), % 0 to 0.2
0.8 to 1.2
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
96.8 to 98.3
Manganese (Mn), % 0
0.5 to 0.8
Molybdenum (Mo), % 0
0.15 to 0.3
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.16
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Zirconium (Zr), % 94.7 to 100
0