ASTM A387 Grade 22 Steel vs. AISI 414 Stainless Steel
Both ASTM A387 grade 22 steel and AISI 414 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is ASTM A387 grade 22 steel and the bottom bar is AISI 414 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 21 | |
| 17 |
| Fatigue Strength, MPa | 160 to 240 | |
| 430 to 480 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 74 | |
| 76 |
| Shear Strength, MPa | 300 to 380 | |
| 550 to 590 |
| Tensile Strength: Ultimate (UTS), MPa | 480 to 600 | |
| 900 to 960 |
| Tensile Strength: Yield (Proof), MPa | 230 to 350 | |
| 700 to 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 460 | |
| 750 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1440 |
| Melting Onset (Solidus), °C | 1430 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 40 | |
| 25 |
| Thermal Expansion, µm/m-K | 13 | |
| 10 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.5 | |
| 2.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.6 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.8 | |
| 8.0 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.7 | |
| 2.1 |
| Embodied Energy, MJ/kg | 23 | |
| 29 |
| Embodied Water, L/kg | 58 | |
| 100 |
Common Calculations
| PREN (Pitting Resistance) | 5.6 | |
| 13 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 85 to 110 | |
| 140 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 320 | |
| 1260 to 1590 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 17 to 21 | |
| 32 to 34 |
| Strength to Weight: Bending, points | 17 to 20 | |
| 27 to 28 |
| Thermal Diffusivity, mm2/s | 11 | |
| 6.7 |
| Thermal Shock Resistance, points | 14 to 17 | |
| 33 to 35 |
Alloy Composition
| Carbon (C), % | 0.050 to 0.15 | |
| 0 to 0.15 |
| Chromium (Cr), % | 2.0 to 2.5 | |
| 11.5 to 13.5 |
| Iron (Fe), % | 95.1 to 96.8 | |
| 81.8 to 87.3 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0.9 to 1.1 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 1.3 to 2.5 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.030 |