ASTM Grade HN Steel vs. Austenitic Nodular Cast Iron
Both ASTM grade HN steel and austenitic nodular cast iron are iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is ASTM grade HN steel and the bottom bar is austenitic nodular cast iron.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 140 | |
140 to 240 |
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
180 to 190 |
Elongation at Break, % | 9.0 | |
6.8 to 34 |
Poisson's Ratio | 0.28 | |
0.29 to 0.3 |
Shear Modulus, GPa | 77 | |
70 to 72 |
Tensile Strength: Ultimate (UTS), MPa | 500 | |
430 to 500 |
Thermal Properties
Latent Heat of Fusion, J/g | 310 | |
280 to 350 |
Melting Completion (Liquidus), °C | 1400 | |
1340 to 1400 |
Melting Onset (Solidus), °C | 1350 | |
1300 to 1360 |
Specific Heat Capacity, J/kg-K | 480 | |
470 to 490 |
Thermal Expansion, µm/m-K | 16 | |
13 to 14 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 26 | |
16 to 25 |
Density, g/cm3 | 7.9 | |
7.7 to 8.0 |
Embodied Carbon, kg CO2/kg material | 4.6 | |
3.5 to 4.9 |
Embodied Energy, MJ/kg | 66 | |
48 to 68 |
Embodied Water, L/kg | 180 | |
91 to 120 |
Common Calculations
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 25 | |
24 to 25 |
Strength to Weight: Axial, points | 17 | |
15 to 18 |
Strength to Weight: Bending, points | 18 | |
16 to 18 |
Thermal Shock Resistance, points | 11 | |
12 to 15 |