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Nuclear Grade Hafnium vs. AWS E2209

Nuclear grade hafnium belongs to the otherwise unclassified metals classification, while AWS E2209 belongs to the iron alloys. There are 14 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 nuclear grade hafnium and the bottom bar is AWS E2209.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 78
200
Elongation at Break, % 25
23
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 31
79
Tensile Strength: Ultimate (UTS), MPa 350
770

Thermal Properties

Latent Heat of Fusion, J/g 130
300
Specific Heat Capacity, J/kg-K 140
480
Thermal Expansion, µm/m-K 5.9
14

Otherwise Unclassified Properties

Density, g/cm3 13
7.8

Common Calculations

Stiffness to Weight: Axial, points 3.3
14
Stiffness to Weight: Bending, points 11
25
Strength to Weight: Axial, points 7.4
27
Strength to Weight: Bending, points 8.4
24
Thermal Shock Resistance, points 55
20

Alloy Composition

Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
21.5 to 23.5
Copper (Cu), % 0
0 to 0.75
Hafnium (Hf), % 99.8 to 100
0
Iron (Fe), % 0
58.4 to 66.9
Manganese (Mn), % 0
0.5 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0
8.5 to 10.5
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.23
0