- AISI G15261
- AISI G10261
- AISI C92610
- AISI C26130
- AISI C26100
- SAE B 569 C26130
- SAE B 247 2618
- AISI A96261
- AISI A92618
- SAE A 959 S32615
- SAE A 943 S32615
- SAE A 752 Grade 6150
- SAE A 752 Grade 6118
- SAE A 743 J92615
- SAE A 479 S32615
- SAE A 400 9261
- SAE A 322 61L50
- SAE A 322 61L18
- SAE A 322 6150
- SAE A 322 6118
- SAE A 213 S32615
- UNS 9261
- YB 9261
- UNS 2618
- UNS 2618
- UNS 2618
- ASTM 2618
- ASTM 2618
- ASTM 2618
- AMS SA-803 25-4-4
- AMS SA-268 25-4-4
- AMS SA-240 Type 25-4-4
- AISI K42544
- SAE A 959 Type 25-4-4
- SAE A 803 Grade 25-4-4