Grade 300 Maraging Steel vs. S15500 Stainless Steel
Both grade 300 maraging steel and S15500 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is grade 300 maraging steel and the bottom bar is S15500 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 6.5 to 18 | |
| 6.8 to 16 |
| Poisson's Ratio | 0.3 | |
| 0.28 |
| Rockwell C Hardness | 31 to 56 | |
| 27 to 46 |
| Shear Modulus, GPa | 75 | |
| 75 |
| Shear Strength, MPa | 640 to 1190 | |
| 540 to 870 |
| Tensile Strength: Ultimate (UTS), MPa | 1030 to 2030 | |
| 890 to 1490 |
| Tensile Strength: Yield (Proof), MPa | 760 to 1990 | |
| 590 to 1310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 280 |
| Melting Completion (Liquidus), °C | 1480 | |
| 1430 |
| Melting Onset (Solidus), °C | 1430 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 480 |
| Thermal Expansion, µm/m-K | 12 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 34 | |
| 13 |
| Density, g/cm3 | 8.2 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 5.1 | |
| 2.7 |
| Embodied Energy, MJ/kg | 68 | |
| 39 |
| Embodied Water, L/kg | 150 | |
| 130 |
Common Calculations
| PREN (Pitting Resistance) | 16 | |
| 15 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 170 | |
| 98 to 120 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 25 |
| Strength to Weight: Axial, points | 35 to 68 | |
| 32 to 53 |
| Strength to Weight: Bending, points | 28 to 43 | |
| 26 to 37 |
| Thermal Shock Resistance, points | 31 to 62 | |
| 30 to 50 |
Alloy Composition
| Aluminum (Al), % | 0.050 to 0.15 | |
| 0 |
| Boron (B), % | 0 to 0.0030 | |
| 0 |
| Calcium (Ca), % | 0 to 0.050 | |
| 0 |
| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.070 |
| Chromium (Cr), % | 0 | |
| 14 to 15.5 |
| Cobalt (Co), % | 8.5 to 9.5 | |
| 0 |
| Copper (Cu), % | 0 | |
| 2.5 to 4.5 |
| Iron (Fe), % | 65 to 68.4 | |
| 71.9 to 79.9 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 4.6 to 5.2 | |
| 0 |
| Nickel (Ni), % | 18 to 19 | |
| 3.5 to 5.5 |
| Niobium (Nb), % | 0 | |
| 0.15 to 0.45 |
| 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 | |
| 0 |
| Zirconium (Zr), % | 0 to 0.020 | |
| 0 |