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SAE-AISI T8 Steel vs. Low-oxygen Zirconium

SAE-AISI T8 steel belongs to the iron alloys classification, while low-oxygen zirconium belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T8 steel and the bottom bar is low-oxygen zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
98
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 78
37
Tensile Strength: Ultimate (UTS), MPa 780 to 2140
330

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 420
270
Thermal Conductivity, W/m-K 18
22
Thermal Expansion, µm/m-K 12
5.7

Otherwise Unclassified Properties

Density, g/cm3 9.0
6.7
Embodied Water, L/kg 120
450

Common Calculations

Stiffness to Weight: Axial, points 12
8.1
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 24 to 66
14
Strength to Weight: Bending, points 21 to 41
16
Thermal Diffusivity, mm2/s 4.8
12
Thermal Shock Resistance, points 24 to 66
42

Alloy Composition

Carbon (C), % 0.75 to 0.85
0 to 0.050
Chromium (Cr), % 3.8 to 4.5
0 to 0.2
Cobalt (Co), % 4.3 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 69.3 to 75.4
0 to 0.2
Manganese (Mn), % 0.2 to 0.4
0
Molybdenum (Mo), % 0.4 to 1.0
0
Nickel (Ni), % 0 to 0.3
0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.4
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 13.3 to 14.8
0
Vanadium (V), % 1.8 to 2.4
0
Zirconium (Zr), % 0
94.7 to 100