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Commercially Pure Zirconium vs. SAE-AISI D7 Steel

Commercially pure zirconium belongs to the otherwise unclassified metals classification, while SAE-AISI D7 steel belongs to the iron alloys. There are 16 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 SAE-AISI D7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 430
800 to 2120

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 22
27
Thermal Expansion, µm/m-K 5.5
11

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.6
Embodied Water, L/kg 450
130

Common Calculations

Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
29 to 78
Strength to Weight: Bending, points 19
25 to 48
Thermal Diffusivity, mm2/s 12
7.4
Thermal Shock Resistance, points 56
27 to 72

Alloy Composition

Carbon (C), % 0 to 0.050
2.2 to 2.5
Chromium (Cr), % 0 to 0.2
11.5 to 13.5
Copper (Cu), % 0
0 to 0.25
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
76.6 to 81.9
Manganese (Mn), % 0
0 to 0.6
Molybdenum (Mo), % 0
0.7 to 1.2
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.16
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
3.8 to 4.4
Zirconium (Zr), % 94.7 to 100
0