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Low-oxygen Zirconium vs. SAE-AISI 1140 Steel

Low-oxygen zirconium belongs to the otherwise unclassified metals classification, while SAE-AISI 1140 steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is low-oxygen zirconium and the bottom bar is SAE-AISI 1140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 23
14 to 18
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 37
72
Tensile Strength: Ultimate (UTS), MPa 330
600 to 700
Tensile Strength: Yield (Proof), MPa 270
340 to 570

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 5.7
13

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 70
89 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 370
310 to 870
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 14
21 to 25
Strength to Weight: Bending, points 16
20 to 22
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 42
18 to 21

Alloy Composition

Carbon (C), % 0 to 0.050
0.37 to 0.44
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
98.4 to 98.9
Manganese (Mn), % 0
0.7 to 1.0
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.1
0
Phosphorus (P), % 0
0 to 0.040
Sulfur (S), % 0
0.080 to 0.13
Zirconium (Zr), % 94.7 to 100
0