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EN 1.5701 Steel vs. Nuclear Grade Hafnium

EN 1.5701 steel belongs to the iron 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 (16, in this case) are not shown.

For each property being compared, the top bar is EN 1.5701 steel and the bottom bar is nuclear grade hafnium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
78
Poisson's Ratio 0.29
0.26
Shear Modulus, GPa 73
31
Tensile Strength: Ultimate (UTS), MPa 430 to 1300
350

Thermal Properties

Latent Heat of Fusion, J/g 250
130
Specific Heat Capacity, J/kg-K 470
140
Thermal Expansion, µm/m-K 13
5.9

Otherwise Unclassified Properties

Density, g/cm3 7.9
13

Common Calculations

Stiffness to Weight: Axial, points 13
3.3
Stiffness to Weight: Bending, points 24
11
Strength to Weight: Axial, points 15 to 46
7.4
Strength to Weight: Bending, points 16 to 34
8.4
Thermal Shock Resistance, points 13 to 38
55

Alloy Composition

Carbon (C), % 0.090 to 0.15
0
Chromium (Cr), % 0.4 to 0.7
0
Copper (Cu), % 0 to 0.25
0
Hafnium (Hf), % 0
99.8 to 100
Iron (Fe), % 97.2 to 98.7
0
Manganese (Mn), % 0.3 to 0.6
0
Nickel (Ni), % 0.5 to 0.8
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.3
0
Sulfur (S), % 0 to 0.025
0
Residuals, % 0
0 to 0.23