EN 1.4421 Stainless Steel vs. Grade 200 Maraging Steel
Both EN 1.4421 stainless steel and grade 200 maraging 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 (11, in this case) are not shown.
For each property being compared, the top bar is EN 1.4421 stainless steel and the bottom bar is grade 200 maraging steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 11 to 17 | |
| 9.1 to 18 |
| Poisson's Ratio | 0.28 | |
| 0.3 |
| Shear Modulus, GPa | 77 | |
| 74 |
| Tensile Strength: Ultimate (UTS), MPa | 880 to 1100 | |
| 970 to 1500 |
| Tensile Strength: Yield (Proof), MPa | 620 to 950 | |
| 690 to 1490 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 260 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1460 |
| Melting Onset (Solidus), °C | 1400 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 460 |
| Thermal Expansion, µm/m-K | 10 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 31 |
| Density, g/cm3 | 7.8 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 4.5 |
| Embodied Energy, MJ/kg | 36 | |
| 59 |
| Embodied Water, L/kg | 130 | |
| 140 |
Common Calculations
| PREN (Pitting Resistance) | 18 | |
| 11 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 140 | |
| 140 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 960 to 2270 | |
| 1240 to 5740 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 23 |
| Strength to Weight: Axial, points | 31 to 39 | |
| 33 to 51 |
| Strength to Weight: Bending, points | 26 to 30 | |
| 27 to 35 |
| Thermal Shock Resistance, points | 31 to 39 | |
| 29 to 45 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0.050 to 0.15 |
| Boron (B), % | 0 | |
| 0 to 0.0030 |
| Calcium (Ca), % | 0 | |
| 0 to 0.050 |
| Carbon (C), % | 0 to 0.060 | |
| 0 to 0.030 |
| Chromium (Cr), % | 15.5 to 17.5 | |
| 0 |
| Cobalt (Co), % | 0 | |
| 8.0 to 9.0 |
| Iron (Fe), % | 74.4 to 80.5 | |
| 67.8 to 71.8 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 0.1 |
| Molybdenum (Mo), % | 0 to 0.7 | |
| 3.0 to 3.5 |
| Nickel (Ni), % | 4.0 to 5.5 | |
| 17 to 19 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 to 0.8 | |
| 0 to 0.1 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 | |
| 0.15 to 0.25 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.020 |