VART300QA (MIL-S-46850 / AMS 6514)
Maraging steel
Steel with good ductility at elevated levels of mechanical resistance after aging. Components subject to very high stress in aircrafts and engine jackets for satellite launch vehicles (SLV).
- ABTN | ASTM | SAE | AISI: MIL-S-46850
- DIN | WNr: WNr 1.6358 | 1.6354
- Chemical composition:
C % | Si % | Mn % | Cr % | Ni % | Fe % | Cu % | Ti % | Al % | OTHERS % |
max. 0.01 | max. 0.10 | max. 0.10 | - | 18.5 | rest | - | 0.75 | 0.10 | Co=9.30 |

Steel with good ductility at elevated levels of mechanical resistance after aging. Components subject to very high stress in aircrafts and engine jackets for satellite launch vehicles (SLV).
- ABTN | ASTM | SAE | AISI: MIL-S-46850
- DIN | WNr: WNr 1.6358 | 1.6354
- Chemical composition:
C % | Si % | Mn % | Cr % | Ni % | Fe % | Cu % | Ti % | Al % | OTHERS % |
max. 0.01 | max. 0.10 | max. 0.10 | - | 18.5 | rest | - | 0.75 | 0.10 | Co=9.30 |
