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Grade 705C Zirconium vs. SAE-AISI D5 Steel

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while SAE-AISI D5 steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (14, 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 D5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 13
5.4 to 14
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
75
Tensile Strength: Ultimate (UTS), MPa 540
770 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 18
27
Thermal Expansion, µm/m-K 5.7
11

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.7
Embodied Water, L/kg 450
120

Common Calculations

Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 22
28 to 73
Strength to Weight: Bending, points 22
24 to 46
Thermal Diffusivity, mm2/s 9.9
7.4
Thermal Shock Resistance, points 69
26 to 67

Alloy Composition

Carbon (C), % 0 to 0.1
1.4 to 1.6
Chromium (Cr), % 0
11 to 13
Cobalt (Co), % 0
2.5 to 3.5
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
77.9 to 84.4
Manganese (Mn), % 0
0 to 0.6
Molybdenum (Mo), % 0
0.7 to 1.2
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 to 0.6
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0 to 1.0
Zirconium (Zr), % 91.9 to 98
0