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Grade 705C Zirconium vs. SAE-AISI H26 Steel

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while SAE-AISI H26 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 705C zirconium and the bottom bar is SAE-AISI H26 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
210
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
80
Tensile Strength: Ultimate (UTS), MPa 540
720 to 2100

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Specific Heat Capacity, J/kg-K 270
410
Thermal Conductivity, W/m-K 18
22
Thermal Expansion, µm/m-K 5.7
12

Otherwise Unclassified Properties

Density, g/cm3 6.7
9.3
Embodied Water, L/kg 450
90

Common Calculations

Stiffness to Weight: Axial, points 8.1
12
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 22
22 to 63
Strength to Weight: Bending, points 22
19 to 39
Thermal Diffusivity, mm2/s 9.9
5.6
Thermal Shock Resistance, points 69
22 to 63

Alloy Composition

Carbon (C), % 0 to 0.1
0.45 to 0.55
Chromium (Cr), % 0
3.8 to 4.5
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 0.3
73.3 to 77.5
Manganese (Mn), % 0
0.15 to 0.4
Nickel (Ni), % 0
0 to 0.3
Niobium (Nb), % 2.0 to 3.0
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0
0.15 to 0.4
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
17.3 to 19
Vanadium (V), % 0
0.75 to 1.3
Zirconium (Zr), % 91.9 to 98
0