ASTM Grade HP Steel vs. AWS ERNiCrMo-4
ASTM grade HP steel belongs to the iron alloys classification, while AWS ERNiCrMo-4 belongs to the nickel alloys. They have 57% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is ASTM grade HP steel and the bottom bar is AWS ERNiCrMo-4.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 220 |
| Elongation at Break, % | 5.1 | |
| 28 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 78 | |
| 84 |
| Tensile Strength: Ultimate (UTS), MPa | 490 | |
| 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 310 |
| Melting Completion (Liquidus), °C | 1370 | |
| 1590 |
| Melting Onset (Solidus), °C | 1330 | |
| 1530 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 410 |
| Thermal Expansion, µm/m-K | 16 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 34 | |
| 70 |
| Density, g/cm3 | 7.9 | |
| 9.0 |
| Embodied Carbon, kg CO2/kg material | 5.8 | |
| 13 |
| Embodied Energy, MJ/kg | 82 | |
| 170 |
| Embodied Water, L/kg | 220 | |
| 280 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 22 |
| Strength to Weight: Axial, points | 17 | |
| 24 |
| Strength to Weight: Bending, points | 17 | |
| 21 |
| Thermal Shock Resistance, points | 11 | |
| 22 |
Alloy Composition
Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 460
| Carbon (C), % | 0.35 to 0.75 | |
| 0 to 0.020 |
| Chromium (Cr), % | 24 to 28 | |
| 14.5 to 16.5 |
| Cobalt (Co), % | 0 | |
| 0 to 2.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.5 |
| Iron (Fe), % | 29.2 to 42.7 | |
| 4.0 to 7.0 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 15 to 17 |
| Nickel (Ni), % | 33 to 37 | |
| 50 to 63.5 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 2.5 | |
| 0 to 0.080 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 to 0.030 |
| Tungsten (W), % | 0 | |
| 3.0 to 4.5 |
| Vanadium (V), % | 0 | |
| 0 to 0.35 |
| Residuals, % | 0 | |
| 0 to 0.5 |