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Commercially Pure Zirconium vs. Grade 350 Maraging Steel

Commercially pure zirconium belongs to the otherwise unclassified metals classification, while grade 350 maraging steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is commercially pure zirconium and the bottom bar is grade 350 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 18
4.1 to 18
Poisson's Ratio 0.34
0.3
Shear Modulus, GPa 36
75
Tensile Strength: Ultimate (UTS), MPa 430
1140 to 2420
Tensile Strength: Yield (Proof), MPa 240
830 to 2300

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Specific Heat Capacity, J/kg-K 270
450
Thermal Expansion, µm/m-K 5.5
12

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.2
Embodied Water, L/kg 450
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
98 to 190
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 18
38 to 82
Strength to Weight: Bending, points 19
29 to 49
Thermal Shock Resistance, points 56
35 to 74

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 0 to 0.2
0
Cobalt (Co), % 0
11.5 to 12.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
61.2 to 64.6
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 0
4.6 to 5.2
Nickel (Ni), % 0
18 to 19
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.16
0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
1.3 to 1.6
Zirconium (Zr), % 94.7 to 100
0 to 0.020