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SAE-AISI 9310 Steel vs. Nuclear Grade Hafnium

SAE-AISI 9310 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 SAE-AISI 9310 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, % 17 to 19
25
Poisson's Ratio 0.29
0.26
Shear Modulus, GPa 73
31
Tensile Strength: Ultimate (UTS), MPa 820 to 910
350
Tensile Strength: Yield (Proof), MPa 450 to 570
170

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

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 150
73
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 860
180
Stiffness to Weight: Axial, points 13
3.3
Stiffness to Weight: Bending, points 24
11
Strength to Weight: Axial, points 29 to 32
7.4
Strength to Weight: Bending, points 25 to 27
8.4
Thermal Shock Resistance, points 24 to 27
55

Alloy Composition

Carbon (C), % 0.080 to 0.13
0
Chromium (Cr), % 1.0 to 1.4
0
Hafnium (Hf), % 0
99.8 to 100
Iron (Fe), % 93.8 to 95.2
0
Manganese (Mn), % 0.45 to 0.65
0
Molybdenum (Mo), % 0.080 to 0.15
0
Nickel (Ni), % 3.0 to 3.5
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0.2 to 0.35
0
Sulfur (S), % 0 to 0.012
0
Residuals, % 0
0 to 0.23