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Grade 705C Zirconium vs. AWS E320LR

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while AWS E320LR belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is grade 705C zirconium and the bottom bar is AWS E320LR.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
200
Elongation at Break, % 13
34
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
77
Tensile Strength: Ultimate (UTS), MPa 540
580

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Specific Heat Capacity, J/kg-K 270
460
Thermal Expansion, µm/m-K 5.7
14

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.2
Embodied Water, L/kg 450
220

Common Calculations

Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22
20
Strength to Weight: Bending, points 22
19
Thermal Shock Resistance, points 69
15

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 0
3.0 to 4.0
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
32.7 to 42.5
Manganese (Mn), % 0
1.5 to 2.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
32 to 36
Niobium (Nb), % 2.0 to 3.0
0 to 0.4
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.010
0 to 0.020
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0
0 to 0.015
Zirconium (Zr), % 91.9 to 98
0