ASTM Grade HN Steel vs. ASTM A514 Steel
Both ASTM grade HN steel and ASTM A514 steel are iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is ASTM grade HN steel and the bottom bar is ASTM A514 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 140 | |
| 240 to 250 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 9.0 | |
| 18 to 21 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 500 | |
| 790 to 830 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 250 to 260 |
| Maximum Temperature: Mechanical, °C | 1080 | |
| 400 to 440 |
| Melting Completion (Liquidus), °C | 1400 | |
| 1460 |
| Melting Onset (Solidus), °C | 1350 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 13 | |
| 37 to 51 |
| Thermal Expansion, µm/m-K | 16 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 26 | |
| 2.3 to 3.8 |
| Density, g/cm3 | 7.9 | |
| 7.8 to 7.9 |
| Embodied Carbon, kg CO2/kg material | 4.6 | |
| 1.6 to 1.8 |
| Embodied Energy, MJ/kg | 66 | |
| 21 to 25 |
| Embodied Water, L/kg | 180 | |
| 48 to 57 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 17 | |
| 28 to 29 |
| Strength to Weight: Bending, points | 18 | |
| 24 to 25 |
| Thermal Diffusivity, mm2/s | 3.5 | |
| 10 to 14 |
| Thermal Shock Resistance, points | 11 | |
| 23 to 24 |