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Commercially Pure Zirconium vs. S42300 Stainless Steel

Commercially pure zirconium belongs to the otherwise unclassified metals classification, while S42300 stainless steel belongs to the iron alloys. There are 21 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 S42300 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
200
Elongation at Break, % 18
9.1
Fatigue Strength, MPa 60
440
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
77
Tensile Strength: Ultimate (UTS), MPa 430
1100
Tensile Strength: Yield (Proof), MPa 240
850

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 22
25
Thermal Expansion, µm/m-K 5.5
10

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
93
Resilience: Unit (Modulus of Resilience), kJ/m3 290
1840
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
39
Strength to Weight: Bending, points 19
30
Thermal Diffusivity, mm2/s 12
6.8
Thermal Shock Resistance, points 56
40

Alloy Composition

Carbon (C), % 0 to 0.050
0.27 to 0.32
Chromium (Cr), % 0 to 0.2
11 to 12
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
82 to 85.1
Manganese (Mn), % 0
1.0 to 1.4
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 0
0 to 0.5
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 0.5
Sulfur (S), % 0
0 to 0.025
Vanadium (V), % 0
0.2 to 0.3
Zirconium (Zr), % 94.7 to 100
0