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AWS ERNiCrMo-2 vs. Nuclear Grade Hafnium

AWS ERNiCrMo-2 belongs to the nickel alloys classification, while nuclear grade hafnium belongs to the otherwise unclassified metals. There are 13 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 AWS ERNiCrMo-2 and the bottom bar is nuclear grade hafnium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
78
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 81
31
Tensile Strength: Ultimate (UTS), MPa 750
350

Thermal Properties

Latent Heat of Fusion, J/g 320
130
Specific Heat Capacity, J/kg-K 450
140
Thermal Expansion, µm/m-K 13
5.9

Otherwise Unclassified Properties

Density, g/cm3 8.4
13

Common Calculations

Stiffness to Weight: Axial, points 14
3.3
Stiffness to Weight: Bending, points 23
11
Strength to Weight: Axial, points 25
7.4
Strength to Weight: Bending, points 22
8.4
Thermal Shock Resistance, points 20
55

Alloy Composition

Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 20.5 to 23
0
Cobalt (Co), % 0.5 to 2.5
0
Copper (Cu), % 0 to 0.5
0
Hafnium (Hf), % 0
99.8 to 100
Iron (Fe), % 17 to 20
0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 40.3 to 53.8
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 0.2 to 1.0
0
Residuals, % 0
0 to 0.23