MakeItFrom.com
Menu (ESC)

ASTM Grade HD Steel vs. Nuclear Grade Hafnium

ASTM grade HD 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 (14, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
78
Elongation at Break, % 9.1
25
Poisson's Ratio 0.27
0.26
Shear Modulus, GPa 80
31
Tensile Strength: Ultimate (UTS), MPa 590
350
Tensile Strength: Yield (Proof), MPa 270
170

Thermal Properties

Latent Heat of Fusion, J/g 310
130
Specific Heat Capacity, J/kg-K 490
140
Thermal Expansion, µm/m-K 11
5.9

Otherwise Unclassified Properties

Density, g/cm3 7.7
13

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
73
Resilience: Unit (Modulus of Resilience), kJ/m3 180
180
Stiffness to Weight: Axial, points 15
3.3
Stiffness to Weight: Bending, points 26
11
Strength to Weight: Axial, points 21
7.4
Strength to Weight: Bending, points 20
8.4
Thermal Shock Resistance, points 19
55

Alloy Composition

Carbon (C), % 0 to 0.5
0
Chromium (Cr), % 26 to 30
0
Hafnium (Hf), % 0
99.8 to 100
Iron (Fe), % 58.4 to 70
0
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 4.0 to 7.0
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0 to 0.040
0
Residuals, % 0
0 to 0.23