AISI 347 Stainless Steel vs. Grade 200 Maraging Steel
Both AISI 347 stainless steel and grade 200 maraging steel are iron alloys. They have 80% of their average alloy composition in common. There are 25 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 AISI 347 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, % | 34 to 46 | |
| 9.1 to 18 |
| Poisson's Ratio | 0.28 | |
| 0.3 |
| Shear Modulus, GPa | 77 | |
| 74 |
| Shear Strength, MPa | 430 to 460 | |
| 600 to 890 |
| Tensile Strength: Ultimate (UTS), MPa | 610 to 690 | |
| 970 to 1500 |
| Tensile Strength: Yield (Proof), MPa | 240 to 350 | |
| 690 to 1490 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 260 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1460 |
| Melting Onset (Solidus), °C | 1400 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 460 |
| Thermal Expansion, µm/m-K | 17 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 19 | |
| 31 |
| Density, g/cm3 | 7.8 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 3.6 | |
| 4.5 |
| Embodied Energy, MJ/kg | 52 | |
| 59 |
| Embodied Water, L/kg | 150 | |
| 140 |
Common Calculations
| PREN (Pitting Resistance) | 18 | |
| 11 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 190 to 220 | |
| 140 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 150 to 310 | |
| 1240 to 5740 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 23 |
| Strength to Weight: Axial, points | 22 to 25 | |
| 33 to 51 |
| Strength to Weight: Bending, points | 20 to 22 | |
| 27 to 35 |
| Thermal Shock Resistance, points | 13 to 15 | |
| 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 0.080 | |
| 0 to 0.030 |
| Chromium (Cr), % | 17 to 19 | |
| 0 |
| Cobalt (Co), % | 0 | |
| 8.0 to 9.0 |
| Iron (Fe), % | 64.1 to 74 | |
| 67.8 to 71.8 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 0.1 |
| Molybdenum (Mo), % | 0 | |
| 3.0 to 3.5 |
| Nickel (Ni), % | 9.0 to 13 | |
| 17 to 19 |
| Niobium (Nb), % | 0 to 1.0 | |
| 0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 to 0.1 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 | |
| 0.15 to 0.25 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.020 |