| Category | Steel grade | Standard | Country | Application |
|---|---|---|---|---|
| Special Alloy | PH13-8Mo | UNS | USA | Martensitic special steel |
| Special Alloy | S13800 | UNS | USA | Martensitic special steel |
| Special Alloy | S13800 | UNS | USA | Martensitic special steel |
| Special Alloy | S44023 | UNS | USA | Martensitic special steel |
| Special Alloy | S44023 | UNS | USA | Martensitic special steel |
| Special Alloy | S44023 | UNS | USA | Martensitic special steel |
| Special Alloy | S44023 | UNS | USA | Martensitic special steel |
| Special Alloy | Type440FSe | UNS | USA | Martensitic special steel |
| Special Alloy | Type440FSe | UNS | USA | Martensitic special steel |
| Special Alloy | Type440F | UNS | USA | Martensitic special steel |
| Special Alloy | Type440F | UNS | USA | Martensitic special steel |
| Special Alloy | S44020 | UNS | USA | Martensitic special steel |
| Special Alloy | S44020 | UNS | USA | Martensitic special steel |
| Special Alloy | S42300 | UNS | USA | Martensitic special steel |
| Special Alloy | S42300 | UNS | USA | Martensitic special steel |
| Special Alloy | Lapelloy | UNS | USA | Martensitic special steel |
| Special Alloy | Lapelloy | UNS | USA | Martensitic special steel |
| Special Alloy | Type420FSe | UNS | USA | Martensitic special steel |
| Special Alloy | Type420FSe | UNS | USA | Martensitic special steel |
| Special Alloy | S42023 | UNS | USA | Martensitic special steel |
| Special Alloy | S42023 | UNS | USA | Martensitic special steel |
| Special Alloy | TrimRite | UNS | USA | Martensitic special steel |
| Special Alloy | TrimRite | UNS | USA | Martensitic special steel |
| Special Alloy | S42010 | UNS | USA | Martensitic special steel |
| Special Alloy | S42010 | UNS | USA | Martensitic special steel |
| Special Alloy | S41800 | UNS | USA | Martensitic special steel |
| Special Alloy | S41800 | UNS | USA | Martensitic special steel |
| Special Alloy | Type418(GreekAscollOy) | UNS | USA | |
| Special Alloy | Type418(GreekAscollOy) | UNS | USA | |
| Special Alloy | 416P1usX(XM-6) | UNS | USA | Martensitic special steel |
| Special Alloy | 416P1usX(XM-6) | UNS | USA | Martensitic special steel |
| Special Alloy | S41610 | UNS | USA | Martensitic special steel |
| Special Alloy | S41610 | UNS | USA | Martensitic special steel |
| Special Alloy | S41500 | UNS | USA | Martensitic special steel |
| Special Alloy | S41500 | UNS | USA | Martensitic special steel |
