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Commercially Pure Zirconium vs. EN 1.4104 Stainless Steel

Commercially pure zirconium belongs to the otherwise unclassified metals classification, while EN 1.4104 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 1.4104 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
200
Elongation at Break, % 18
11 to 23
Fatigue Strength, MPa 60
230 to 310
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
77
Tensile Strength: Ultimate (UTS), MPa 430
630 to 750
Tensile Strength: Yield (Proof), MPa 240
350 to 560

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 22
25
Thermal Expansion, µm/m-K 5.5
10

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.7
Embodied Water, L/kg 450
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
77 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 290
310 to 800
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
23 to 27
Strength to Weight: Bending, points 19
21 to 24
Thermal Diffusivity, mm2/s 12
6.7
Thermal Shock Resistance, points 56
22 to 27

Alloy Composition

Carbon (C), % 0 to 0.050
0.1 to 0.17
Chromium (Cr), % 0 to 0.2
15.5 to 17.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
78.8 to 84.1
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0.2 to 0.6
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.16
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0.15 to 0.35
Zirconium (Zr), % 94.7 to 100
0