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Grade 702C Zirconium vs. SAE-AISI H23 Steel

Grade 702C zirconium belongs to the otherwise unclassified metals classification, while SAE-AISI H23 steel belongs to the iron alloys. There are 16 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 grade 702C zirconium and the bottom bar is SAE-AISI H23 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
200
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
80
Tensile Strength: Ultimate (UTS), MPa 430
760 to 1550

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Specific Heat Capacity, J/kg-K 270
440
Thermal Conductivity, W/m-K 22
20
Thermal Expansion, µm/m-K 5.7
12

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.7
Embodied Water, L/kg 450
120

Common Calculations

Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 18
24 to 49
Strength to Weight: Bending, points 19
21 to 34
Thermal Diffusivity, mm2/s 12
5.2
Thermal Shock Resistance, points 55
23 to 47

Alloy Composition

Carbon (C), % 0 to 0.1
0.25 to 0.35
Chromium (Cr), % 0
11 to 12.8
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 0.3
71.3 to 76.7
Manganese (Mn), % 0
0.15 to 0.4
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0
0.15 to 0.6
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
11 to 12.8
Vanadium (V), % 0
0.75 to 1.3
Zirconium (Zr), % 94.8 to 100
0