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EN 1.4542 Stainless Steel vs. Nuclear Grade Hafnium

EN 1.4542 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 (15, in this case) are not shown.

For each property being compared, the top bar is EN 1.4542 stainless 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, % 5.7 to 20
25
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 76
31
Tensile Strength: Ultimate (UTS), MPa 880 to 1470
350
Tensile Strength: Yield (Proof), MPa 580 to 1300
170

Thermal Properties

Latent Heat of Fusion, J/g 280
130
Specific Heat Capacity, J/kg-K 470
140
Thermal Expansion, µm/m-K 11
5.9

Otherwise Unclassified Properties

Density, g/cm3 7.8
13

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 160
73
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4360
180
Stiffness to Weight: Axial, points 14
3.3
Stiffness to Weight: Bending, points 25
11
Strength to Weight: Axial, points 31 to 52
7.4
Strength to Weight: Bending, points 26 to 37
8.4
Thermal Shock Resistance, points 29 to 49
55

Alloy Composition

Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 3.0 to 5.0
0
Hafnium (Hf), % 0
99.8 to 100
Iron (Fe), % 69.6 to 79
0
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 3.0 to 5.0
0
Niobium (Nb), % 0 to 0.45
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.7
0
Sulfur (S), % 0 to 0.015
0
Residuals, % 0
0 to 0.23