EN 1.8881 Steel vs. Nuclear Grade Hafnium
EN 1.8881 steel belongs to the iron alloys classification, while nuclear grade hafnium belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.
For each property being compared, the top bar is EN 1.8881 steel and the bottom bar is nuclear grade hafnium.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
78 |
Elongation at Break, % | 16 | |
25 |
Poisson's Ratio | 0.29 | |
0.26 |
Shear Modulus, GPa | 73 | |
31 |
Tensile Strength: Ultimate (UTS), MPa | 830 | |
350 |
Tensile Strength: Yield (Proof), MPa | 710 | |
170 |
Thermal Properties
Latent Heat of Fusion, J/g | 260 | |
130 |
Specific Heat Capacity, J/kg-K | 470 | |
140 |
Thermal Expansion, µm/m-K | 13 | |
5.9 |
Otherwise Unclassified Properties
Density, g/cm3 | 7.8 | |
13 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 | |
73 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 1320 | |
180 |
Stiffness to Weight: Axial, points | 13 | |
3.3 |
Stiffness to Weight: Bending, points | 24 | |
11 |
Strength to Weight: Axial, points | 29 | |
7.4 |
Strength to Weight: Bending, points | 25 | |
8.4 |
Thermal Shock Resistance, points | 24 | |
55 |
Alloy Composition
Boron (B), % | 0 to 0.0050 | |
0 |
Carbon (C), % | 0 to 0.2 | |
0 |
Chromium (Cr), % | 0 to 1.5 | |
0 |
Copper (Cu), % | 0 to 0.3 | |
0 |
Hafnium (Hf), % | 0 | |
99.8 to 100 |
Iron (Fe), % | 91.9 to 100 | |
0 |
Manganese (Mn), % | 0 to 1.7 | |
0 |
Molybdenum (Mo), % | 0 to 0.7 | |
0 |
Nickel (Ni), % | 0 to 2.5 | |
0 |
Niobium (Nb), % | 0 to 0.060 | |
0 |
Nitrogen (N), % | 0 to 0.015 | |
0 |
Phosphorus (P), % | 0 to 0.020 | |
0 |
Silicon (Si), % | 0 to 0.8 | |
0 |
Sulfur (S), % | 0 to 0.0080 | |
0 |
Titanium (Ti), % | 0 to 0.050 | |
0 |
Vanadium (V), % | 0 to 0.12 | |
0 |
Zirconium (Zr), % | 0 to 0.15 | |
0 |
Residuals, % | 0 | |
0 to 0.23 |