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Nuclear Grade Hafnium vs. N06250 Nickel

Nuclear grade hafnium belongs to the otherwise unclassified metals classification, while N06250 nickel belongs to the nickel alloys. There are 17 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is nuclear grade hafnium and the bottom bar is N06250 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 78
210
Elongation at Break, % 25
46
Poisson's Ratio 0.26
0.29
Shear Modulus, GPa 31
82
Tensile Strength: Ultimate (UTS), MPa 350
710
Tensile Strength: Yield (Proof), MPa 170
270

Thermal Properties

Latent Heat of Fusion, J/g 130
320
Specific Heat Capacity, J/kg-K 140
440
Thermal Expansion, µm/m-K 5.9
13

Otherwise Unclassified Properties

Density, g/cm3 13
8.6

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73
260
Resilience: Unit (Modulus of Resilience), kJ/m3 180
170
Stiffness to Weight: Axial, points 3.3
14
Stiffness to Weight: Bending, points 11
23
Strength to Weight: Axial, points 7.4
23
Strength to Weight: Bending, points 8.4
21
Thermal Shock Resistance, points 55
19

Alloy Composition

Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
20 to 23
Copper (Cu), % 0
0.25 to 1.3
Hafnium (Hf), % 99.8 to 100
0
Iron (Fe), % 0
7.4 to 19.4
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
10.1 to 12
Nickel (Ni), % 0
50 to 54
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.090
Sulfur (S), % 0
0 to 0.0050
Tungsten (W), % 0
0.25 to 1.3
Residuals, % 0 to 0.23
0