This specification covers carbon and low alloy steel castings having chemical analyses similar to that of the standard wrought grades. Several grades are covered and are designated by chemical composition
| Grade | UNS |
|---|---|
| SC 1020 | J02003 |
| SC 1025 | J02508 |
| SC 1030 | J03012 |
| SC 1040 | J04003 |
| SC 1045 | J04002 |
| SC 4130 | J13502 |
| SC 4140 | J14045 |
| SC 4330 | J23259 |
| SC 4340 | J24053 |
| SC 8620 | J12095 |
| SC 8625 | J12595 |
| SC 8630 | J13095 |