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Commercially Pure Zirconium vs. ASTM A321 Carbon Steel

Commercially pure zirconium belongs to the otherwise unclassified metals classification, while ASTM A321 carbon 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 ASTM A321 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 18
21
Fatigue Strength, MPa 60
270
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 430
670
Tensile Strength: Yield (Proof), MPa 240
390

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
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
120
Resilience: Unit (Modulus of Resilience), kJ/m3 290
400
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
24
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 56
21

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.55
Chromium (Cr), % 0 to 0.2
0
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
98.1 to 99.25
Manganese (Mn), % 0
0.6 to 0.9
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.16
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.050
Zirconium (Zr), % 94.7 to 100
0