ASTM Grade HP Steel vs. N09777 Nickel
Both ASTM grade HP steel and N09777 nickel are metals with high concentrations of iron and nickel. This makes them relatively similar, despite formally belonging to different alloy families. They have 88% of their average alloy composition in common. 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 N09777 nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 5.1 | |
| 39 |
| Fatigue Strength, MPa | 130 | |
| 190 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 78 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 490 | |
| 580 |
| Tensile Strength: Yield (Proof), MPa | 260 | |
| 240 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 300 |
| Maximum Temperature: Mechanical, °C | 1100 | |
| 960 |
| Melting Completion (Liquidus), °C | 1370 | |
| 1440 |
| Melting Onset (Solidus), °C | 1330 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 460 |
| Thermal Expansion, µm/m-K | 16 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 34 | |
| 38 |
| Density, g/cm3 | 7.9 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 5.8 | |
| 7.4 |
| Embodied Energy, MJ/kg | 82 | |
| 100 |
| Embodied Water, L/kg | 220 | |
| 200 |
Common Calculations
| PREN (Pitting Resistance) | 27 | |
| 30 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 21 | |
| 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 | |
| 140 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 17 | |
| 20 |
| Strength to Weight: Bending, points | 17 | |
| 19 |
| Thermal Shock Resistance, points | 11 | |
| 16 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.35 |
| Carbon (C), % | 0.35 to 0.75 | |
| 0 to 0.030 |
| Chromium (Cr), % | 24 to 28 | |
| 14 to 19 |
| Iron (Fe), % | 29.2 to 42.7 | |
| 28.5 to 47.5 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 2.5 to 5.5 |
| Nickel (Ni), % | 33 to 37 | |
| 34 to 42 |
| Niobium (Nb), % | 0 | |
| 0 to 0.1 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 2.5 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 | |
| 2.0 to 3.0 |