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Nuclear Grade Hafnium vs. EN 2.4608 Nickel

Nuclear grade hafnium belongs to the otherwise unclassified metals classification, while EN 2.4608 nickel belongs to the nickel alloys. There are 17 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 nuclear grade hafnium and the bottom bar is EN 2.4608 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 78
210
Elongation at Break, % 25
34
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 31
81
Tensile Strength: Ultimate (UTS), MPa 350
620
Tensile Strength: Yield (Proof), MPa 170
270

Thermal Properties

Latent Heat of Fusion, J/g 130
330
Specific Heat Capacity, J/kg-K 140
460
Thermal Expansion, µm/m-K 5.9
13

Otherwise Unclassified Properties

Density, g/cm3 13
8.5

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73
170
Resilience: Unit (Modulus of Resilience), kJ/m3 180
180
Stiffness to Weight: Axial, points 3.3
14
Stiffness to Weight: Bending, points 11
23
Strength to Weight: Axial, points 7.4
20
Strength to Weight: Bending, points 8.4
19
Thermal Shock Resistance, points 55
16

Alloy Composition

Carbon (C), % 0
0.030 to 0.080
Chromium (Cr), % 0
24 to 26
Cobalt (Co), % 0
2.5 to 4.0
Hafnium (Hf), % 99.8 to 100
0
Iron (Fe), % 0
11.4 to 23.8
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 4.0
Nickel (Ni), % 0
44 to 47
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.7 to 1.5
Sulfur (S), % 0
0 to 0.015
Tungsten (W), % 0
2.5 to 4.0
Residuals, % 0 to 0.23
0