ASTM Grade HP Steel vs. AWS E80C-B2
Both ASTM grade HP steel and AWS E80C-B2 are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 E80C-B2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 5.1 | |
| 22 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 78 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 490 | |
| 630 |
| Tensile Strength: Yield (Proof), MPa | 260 | |
| 530 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 260 |
| Melting Completion (Liquidus), °C | 1370 | |
| 1460 |
| Melting Onset (Solidus), °C | 1330 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 12 | |
| 39 |
| Thermal Expansion, µm/m-K | 16 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 34 | |
| 3.0 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 5.8 | |
| 1.6 |
| Embodied Energy, MJ/kg | 82 | |
| 22 |
| Embodied Water, L/kg | 220 | |
| 53 |
Common Calculations
| PREN (Pitting Resistance) | 27 | |
| 3.0 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 21 | |
| 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 | |
| 740 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 17 | |
| 22 |
| Strength to Weight: Bending, points | 17 | |
| 21 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 11 |
| Thermal Shock Resistance, points | 11 | |
| 18 |
Alloy Composition
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| Carbon (C), % | 0.35 to 0.75 | |
| 0.050 to 0.12 |
| Chromium (Cr), % | 24 to 28 | |
| 1.0 to 1.5 |
| Iron (Fe), % | 29.2 to 42.7 | |
| 95.3 to 97.9 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0.4 to 1.0 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 0.4 to 0.65 |
| Nickel (Ni), % | 33 to 37 | |
| 0 to 0.2 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 2.5 | |
| 0.25 to 0.6 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 to 0.030 |
| Vanadium (V), % | 0 | |
| 0 to 0.030 |
| Residuals, % | 0 | |
| 0 to 0.5 |