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EN 1.4652 Stainless Steel vs. Nuclear Grade Hafnium

EN 1.4652 stainless 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 (17, in this case) are not shown.

For each property being compared, the top bar is EN 1.4652 stainless steel and the bottom bar is nuclear grade hafnium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
78
Elongation at Break, % 45
25
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 81
31
Tensile Strength: Ultimate (UTS), MPa 880
350
Tensile Strength: Yield (Proof), MPa 490
170

Thermal Properties

Latent Heat of Fusion, J/g 310
130
Specific Heat Capacity, J/kg-K 460
140
Thermal Expansion, µm/m-K 15
5.9

Otherwise Unclassified Properties

Density, g/cm3 8.0
13

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 340
73
Resilience: Unit (Modulus of Resilience), kJ/m3 570
180
Stiffness to Weight: Axial, points 14
3.3
Stiffness to Weight: Bending, points 25
11
Strength to Weight: Axial, points 30
7.4
Strength to Weight: Bending, points 25
8.4
Thermal Shock Resistance, points 20
55

Alloy Composition

Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 23 to 25
0
Copper (Cu), % 0.3 to 0.6
0
Hafnium (Hf), % 0
99.8 to 100
Iron (Fe), % 38.3 to 46.3
0
Manganese (Mn), % 2.0 to 4.0
0
Molybdenum (Mo), % 7.0 to 8.0
0
Nickel (Ni), % 21 to 23
0
Nitrogen (N), % 0.45 to 0.55
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.0050
0
Residuals, % 0
0 to 0.23