| AISI 8615 | |
 | |
| Category | Steel |
| Class | Alloy steel |
| Type | Standard |
| Common Names | Nickel-chromium-molybdenum steel |
| Designations | United States: AMS 5333 , AMS 6270G , ASTM A322 , ASTM A505 , MIL SPEC MIL-S-866 , SAE J404 , SAE J770 , UNS G86150 |
| Composition | |
| |
| Element | Weight % |
| C | 0.13-0.18 |
| Mn | 0.70-0.90 |
| P | 0.035 (max) |
| S | 0.04 (max) |
| Si | 0.15-0.30 |
| Cr | 0.40-0.60 |
| Ni | 0.40-0.70 |
| Mo | 0.15-0.25 |
| Mechanical Properties | |
| |
| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Density (×1000 kg/m3) | 7.7-8.03 | 25 | |
| Poisson's Ratio | 0.27-0.30 | 25 | |
| Elastic Modulus (GPa) | 190-210 | 25 | |
| Tensile Strength (Mpa) | 690 | 25 | psuedocarburized at 900-925°C, box cooled, reheated at 840°C, oil quenched, tempered at 150°C |
| Yield Strength (Mpa) | 500 | ||
| Elongation (%) | 20 | ||
| Reduction in Area (%) | 58 | ||
