| Category | Steel grade | Standard | Country | Application |
|---|---|---|---|---|
| Special Alloy | AISI 662 | AISI | USA | precipitation hardening |
| Special Alloy | AISI 662 | AISI | USA | precipitation hardening |
| Special Alloy | AISI 661 | AISI | USA | precipitation hardening |
| Special Alloy | UNS R30155 | UNS | USA | precipitation hardening |
| Special Alloy | UNS S66286 | UNS | USA | precipitation hardening |
| Special Alloy | AISI 660 | AISI | USA | precipitation hardening |
| Special Alloy | AISI 653 | AISI | USA | precipitation hardening |
| Special Alloy | UNS S63199 | UNS | USA | precipitation hardening |
| Special Alloy | AISI 652 | AISI | USA | precipitation hardening |
| Special Alloy | UNS S63198 | UNS | USA | precipitation hardening |
| Special Alloy | UNS S63198 | UNS | USA | precipitation hardening |
| Special Alloy | AISI 651 | AISI | USA | precipitation hardening |
| Special Alloy | AISI 651 | AISI | USA | precipitation hardening |
| Special Alloy | AISI 650 | AISI | USA | precipitation hardening |
| Special Alloy | UNS S42300 | UNS | USA | precipitation hardening |
| Special Alloy | UNS S42300 | UNS | USA | precipitation hardening |
| Special Alloy | ASTM 619 | ASTM | USA | precipitation hardening |
| Special Alloy | ASTM 619 | ASTM | USA | precipitation hardening |
| Special Alloy | UNS S42200 | UNS | USA | precipitation hardening |
| Special Alloy | UNS S42200 | UNS | USA | precipitation hardening |
| Special Alloy | ASTM 616 | ASTM | USA | precipitation hardening |
| Special Alloy | ASTM 616 | ASTM | USA | precipitation hardening |
| Special Alloy | UNS S41800 | UNS | USA | precipitation hardening |
| Special Alloy | UNS S41800 | UNS | USA | precipitation hardening |
| Special Alloy | ASTM 615 | ASTM | USA | precipitation hardening |
| Special Alloy | ASTM 615 | ASTM | USA | precipitation hardening |
| Special Alloy | UNS S41425 | UNS | USA | precipitation hardening |
| Special Alloy | UNS S41425 | UNS | USA | precipitation hardening |
| Special Alloy | UNS S41041 | UNS | USA | precipitation hardening |
| Special Alloy | UNS S41041 | UNS | USA | precipitation hardening |
| Special Alloy | UNS K64152 | UNS | USA | precipitation hardening |
| Special Alloy | UNS K64152 | UNS | USA | precipitation hardening |
| Special Alloy | ASTM XM-3 | ASTM | USA | precipitation hardening |
| Special Alloy | S45500 | UNS | USA | precipitation hardening |
| Special Alloy | S45500 | UNS | USA | precipitation hardening |
- Special Steel suppliers
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