Trim Number Chart
PDF Download: Trim Number Chart
| API 600 Number Chart | ||||||||
| Important Note: Data provided in this chart is for informational purposes only. | ||||||||
| API Trim Number | Material | Seat/disc | Backseat | Stem | Notes | |||
| 1 | 410 | 410 | 410 | 410 | 410 | |||
| 2 | 304 | 304 | 304 | 304 | 304 | |||
| 3 | F310 | 310 | 310 | 310 | 310 | |||
| 4 | Hard F410 | Hard 410 | Hard 410 | 410 | 410 | Seats 750 BHN min. | ||
| 5 | Hardfaced | Stellite | Stellite | 410 | 410 | |||
| 5A | Hardfaced | Ni-Cr | Ni-Cr | 410 | 410 | |||
| 6 | 410 and Cu-Ni | Cu-Ni | Cu-Ni | 410 | 410 | |||
| 7 | 410 and Hard 410 | Hard 410 | Hard 410 | 410 | 410 | Seats 750 BHN min. | ||
| 8 | 410 and Hardfaced | Stellite | 410 | 410 | 410 | |||
| 8A | 410 and Hardfaced | Ni-Cr | 410 | 410 | 410 | |||
| 9 | Monel | Monel | Monel | Monel | Monel | |||
| 10 | 316 | 316 | 316 | 316 | 316 | |||
| 11 | Monel and Hardfaced | Stellite | Monel | Monel | Monel | |||
| 12 | 316 and Hardfaced | Stellite | 316 | 316 | 316 | |||
| 13 | Alloy 20 | Alloy 20 | Alloy 20 | Alloy 20 | Alloy 20 | |||
| 14 | Alloy 20 and Hardfaced | Stellite | Alloy 20 | Alloy 20 | Alloy 20 | |||
| 15 | 304 and Hardfaced | Stellite | Stellite | 304 | 304 | |||
| 16 | 316 and Hardfaced | Stellite | Stellite | 316 | 316 | |||
| 17 | 347 and Hardfaced | Stellite | Stellite | 347 | 347 | |||
| 18 | Alloy 20 and Hardfaced | Stellite | Stellite | Alloy 20 | Alloy 20 | |||
| Forging | Casting |
| A105 | WCB |
| LF2 | LCC |
| F11 | WC6 |
| A182-F22 | WC9 |
| A182-F5 | C5 |
| A182-F9 | C12 |
| F304 | CF8 |
| F340L | CF3 |
| F316 | CF8M |
| F316L | CF3M |
| F317 | CG8M |
| F347H | CF8C |
| Alloy 20 | CN7M |
| Duplex 2205 | CD3MN |
| Hastelloy C | CW12MW |
| Monel 400 | M35-1 |
| Inconel 600 | CY40-1 |
| Nickel 200 | CZ100 |
| Inconel 625 | CW6MC |
| Incoloy 825 | CU5MCUC |