| Steel grade | Standard | Application |
|---|---|---|
| ASTM635 | USA ASTM | ASTM635 |
| AISI635 | USA AISI | AISI635 |
| S17400 | USA UNS | S17400 |
| ASTM630 | USA ASTM | ASTM630 |
| AISI630 | USA AISI | AISI630 |
| S15700 | USA UNS | S15700 |
| ASTM632 | USA ASTM | ASTM632 |
| AISI632 | USA AISI | AISI632 |
| AISIS15500 | USA AISI | AISIS15500 |
| ASTMXM-12 | USA ASTM | ASTMXM-12 |
| S15500 | USA UNS | S15500 |
| ASTMXM-12 | USA ASTM | ASTMXM-12 |
| AISIS15500 | USA AISI | AISIS15500 |
| ASTMXM-13 | USA ASTM | ASTMXM-13 |
| AISIS13800 | USA AISI | AISIS13800 |
| S50400 | USA UNS | Alloy steels are designated by AISI four-digit numbers and are more susceptible to heat and mechanical treatments than carbon steels. They comprise different kinds of steels having compositions which exceed the limitations of Va, Cr, Si, Ni, Mo, C and B i |
| AISI504 | USA AISI | AISI504 |
| AISI503 | USA AISI | AISI503 |
| ASTM502 | USA ASTM | ASTM502 |
| AISI502 | USA AISI | AISI502 |
| AISI501B | USA AISI | AISI501B |
| AISI501A | USA AISI | AISI501A |
| ASTM501 | USA ASTM | ASTM501 |
| AISI501 | USA AISI | AISI501 |
| S44025 | USA UNS | S44025 |
| S44023 | USA UNS | S44023 |
| AISI440F Se | USA AISI | AISI440F Se |
| S44020 | USA UNS | S44020 |
| AISI440F | USA AISI | AISI440F |
| S44004 | USA UNS | S44004 |
| ASTM440C | USA ASTM | ASTM440C |
| AISI440C | USA AISI | AISI440C |
| S44003 | USA UNS | S44003 |
| AISI440B | USA AISI | AISI440B |
| ASTM440B | USA ASTM | ASTM440B |