| AISI 8617 | |
 | |
| Category | Steel |
| Class | Alloy steel |
| Type | Standard |
| Common Names | Nickel-chromium-molybdenum steel |
| Designations |
France: AFNOR 20 NCD 2 , AFNOR 22 NCD 2 Germany: DIN 1.6523 Italy: UNI 20 NiCrMo 2 Japan: JIS SNCM 21 , JIS SNCM 21 H United Kingdom: B.S. 805 H 20 , B.S. 805 M 20 United States: AMS 6272 , AMS 6272E , ASTM A322 , ASTM A331 , ASTM A505 , SAE J404 , SAE J770 , UNS G86170 |
| Composition | |
| |
| Element | Weight % |
| C | 0.15-0.20 |
| 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 | |
| |
