Normalized SAE-AISI 8620 vs. Normalized SAE-AISI 9310
Both normalized SAE-AISI 8620 and normalized SAE-AISI 9310 are iron alloys. Both are furnished in the normalized condition. They have a very high 97% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is normalized SAE-AISI 8620 and the bottom bar is normalized SAE-AISI 9310.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 | |
| 610 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 26 | |
| 19 |
| Fatigue Strength, MPa | 270 | |
| 390 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 410 | |
| 570 |
| Tensile Strength: Ultimate (UTS), MPa | 640 | |
| 910 |
| Tensile Strength: Yield (Proof), MPa | 360 | |
| 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 440 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 39 | |
| 48 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 7.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 8.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.6 | |
| 4.4 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.8 |
| Embodied Energy, MJ/kg | 20 | |
| 24 |
| Embodied Water, L/kg | 50 | |
| 57 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 | |
| 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 340 | |
| 860 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 22 | |
| 32 |
| Strength to Weight: Bending, points | 21 | |
| 27 |
| Thermal Diffusivity, mm2/s | 10 | |
| 13 |
| Thermal Shock Resistance, points | 19 | |
| 27 |
Alloy Composition
| Carbon (C), % | 0.18 to 0.23 | |
| 0.080 to 0.13 |
| Chromium (Cr), % | 0.4 to 0.6 | |
| 1.0 to 1.4 |
| Iron (Fe), % | 96.9 to 98 | |
| 93.8 to 95.2 |
| Manganese (Mn), % | 0.7 to 0.9 | |
| 0.45 to 0.65 |
| Molybdenum (Mo), % | 0.15 to 0.25 | |
| 0.080 to 0.15 |
| Nickel (Ni), % | 0.4 to 0.7 | |
| 3.0 to 3.5 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.015 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0.2 to 0.35 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 to 0.012 |