Grade 300 Maraging Steel vs. S66286 Stainless Steel
Both grade 300 maraging steel and S66286 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 24 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 grade 300 maraging steel and the bottom bar is S66286 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 6.5 to 18 | |
| 17 to 40 |
| Poisson's Ratio | 0.3 | |
| 0.29 |
| Shear Modulus, GPa | 75 | |
| 75 |
| Shear Strength, MPa | 640 to 1190 | |
| 420 to 630 |
| Tensile Strength: Ultimate (UTS), MPa | 1030 to 2030 | |
| 620 to 1020 |
| Tensile Strength: Yield (Proof), MPa | 760 to 1990 | |
| 280 to 670 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 300 |
| Melting Completion (Liquidus), °C | 1480 | |
| 1430 |
| Melting Onset (Solidus), °C | 1430 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 470 |
| Thermal Expansion, µm/m-K | 12 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 34 | |
| 26 |
| Density, g/cm3 | 8.2 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 5.1 | |
| 6.0 |
| Embodied Energy, MJ/kg | 68 | |
| 87 |
| Embodied Water, L/kg | 150 | |
| 170 |
Common Calculations
| PREN (Pitting Resistance) | 16 | |
| 19 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 170 | |
| 150 to 200 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 24 |
| Strength to Weight: Axial, points | 35 to 68 | |
| 22 to 36 |
| Strength to Weight: Bending, points | 28 to 43 | |
| 20 to 28 |
| Thermal Shock Resistance, points | 31 to 62 | |
| 13 to 22 |
Alloy Composition
| Aluminum (Al), % | 0.050 to 0.15 | |
| 0 to 0.35 |
| Boron (B), % | 0 to 0.0030 | |
| 0.0010 to 0.010 |
| Calcium (Ca), % | 0 to 0.050 | |
| 0 |
| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 | |
| 13.5 to 16 |
| Cobalt (Co), % | 8.5 to 9.5 | |
| 0 |
| Iron (Fe), % | 65 to 68.4 | |
| 49.1 to 59.5 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 4.6 to 5.2 | |
| 1.0 to 1.5 |
| Nickel (Ni), % | 18 to 19 | |
| 24 to 27 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0.5 to 0.8 | |
| 1.9 to 2.4 |
| Vanadium (V), % | 0 | |
| 0.1 to 0.5 |
| Zirconium (Zr), % | 0 to 0.020 | |
| 0 |