Grade 200 Maraging Steel vs. AISI 440A Stainless Steel
Both grade 200 maraging steel and AISI 440A stainless steel are iron alloys. They have 70% 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 200 maraging steel and the bottom bar is AISI 440A stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 9.1 to 18 | |
| 5.0 to 20 |
| Poisson's Ratio | 0.3 | |
| 0.28 |
| Shear Modulus, GPa | 74 | |
| 77 |
| Shear Strength, MPa | 600 to 890 | |
| 450 to 1040 |
| Tensile Strength: Ultimate (UTS), MPa | 970 to 1500 | |
| 730 to 1790 |
| Tensile Strength: Yield (Proof), MPa | 690 to 1490 | |
| 420 to 1650 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 280 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1480 |
| Melting Onset (Solidus), °C | 1420 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 480 |
| Thermal Expansion, µm/m-K | 12 | |
| 10 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 9.0 |
| Density, g/cm3 | 8.2 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 4.5 | |
| 2.2 |
| Embodied Energy, MJ/kg | 59 | |
| 31 |
| Embodied Water, L/kg | 140 | |
| 120 |
Common Calculations
| PREN (Pitting Resistance) | 11 | |
| 18 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 160 | |
| 87 to 120 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 25 |
| Strength to Weight: Axial, points | 33 to 51 | |
| 26 to 65 |
| Strength to Weight: Bending, points | 27 to 35 | |
| 23 to 43 |
| Thermal Shock Resistance, points | 29 to 45 | |
| 26 to 65 |
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 | |
| 0.6 to 0.75 |
| Chromium (Cr), % | 0 | |
| 16 to 18 |
| Cobalt (Co), % | 8.0 to 9.0 | |
| 0 |
| Iron (Fe), % | 67.8 to 71.8 | |
| 78.4 to 83.4 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 3.0 to 3.5 | |
| 0 to 0.75 |
| Nickel (Ni), % | 17 to 19 | |
| 0 |
| 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 0.015 |
| Titanium (Ti), % | 0.15 to 0.25 | |
| 0 |
| Zirconium (Zr), % | 0 to 0.020 | |
| 0 |