AISI 410 Stainless Steel vs. ASTM A387 Grade 9 Steel
Both AISI 410 stainless steel and ASTM A387 grade 9 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 32 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 AISI 410 stainless steel and the bottom bar is ASTM A387 grade 9 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 240 | |
| 150 to 180 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 16 to 22 | |
| 20 to 21 |
| Fatigue Strength, MPa | 190 to 350 | |
| 160 to 240 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 75 |
| Shear Strength, MPa | 330 to 470 | |
| 310 to 380 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 770 | |
| 500 to 600 |
| Tensile Strength: Yield (Proof), MPa | 290 to 580 | |
| 230 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 710 | |
| 600 |
| Melting Completion (Liquidus), °C | 1530 | |
| 1460 |
| Melting Onset (Solidus), °C | 1480 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 30 | |
| 26 |
| Thermal Expansion, µm/m-K | 11 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
| 9.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.3 | |
| 10 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.0 | |
| 6.5 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.9 | |
| 2.1 |
| Embodied Energy, MJ/kg | 27 | |
| 28 |
| Embodied Water, L/kg | 100 | |
| 87 |
Common Calculations
| PREN (Pitting Resistance) | 13 | |
| 12 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 97 to 110 | |
| 83 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 210 to 860 | |
| 140 to 310 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 19 to 28 | |
| 18 to 21 |
| Strength to Weight: Bending, points | 19 to 24 | |
| 18 to 20 |
| Thermal Diffusivity, mm2/s | 8.1 | |
| 6.9 |
| Thermal Shock Resistance, points | 18 to 26 | |
| 14 to 17 |
Alloy Composition
| Carbon (C), % | 0.080 to 0.15 | |
| 0 to 0.15 |
| Chromium (Cr), % | 11.5 to 13.5 | |
| 8.0 to 10 |
| Iron (Fe), % | 83.5 to 88.4 | |
| 87.1 to 90.8 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 0 | |
| 0.9 to 1.1 |
| Nickel (Ni), % | 0 to 0.75 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.025 |
| Vanadium (V), % | 0 | |
| 0 to 0.040 |