# P30 — Carbide insert grade cross-reference by ISO application group and manufacturer For P30, manufacturer is Sumitomo; grade designation(s) is AC3000 AC304 AC230 AC325 ACZ330 ACZ350, recorded from its source on 2026-08-11. - **ISO application code:** P30 _(verified: appears in the quote below)_ - **Manufacturer:** Sumitomo _(our reading, not quoted from the source)_ - **Grade designation(s):** AC3000 AC304 AC230 AC325 ACZ330 ACZ350 _(verified: appears in the quote below)_ ## What the source says > P30 | R-200 | UC6025 UE6035 F7030 AP20M AP15TF | GC4025 GC4125 GC4035 GC4030 GC4040 | T250M T25M CP30 TP200 F30M | AC3000 AC304 AC230 AC325 ACZ330 ACZ350 | ## Sources disagree More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from. ### Grade designation(s) romaycorp.com says grade designation(s) is **AC3000 AC304 AC230 AC325 ACZ330 ACZ350**, as of 2026-08-11. > P30 | R-200 | UC6025 UE6035 F7030 AP20M AP15TF | GC4025 GC4125 GC4035 GC4030 GC4040 | T250M T25M CP30 TP200 F30M | AC3000 AC304 AC230 AC325 ACZ330 ACZ350 | Source: https://romaycorp.com/charts/carbide-comparison-chart/ aceratool.com says grade designation(s) is **AC830P AC630M AC3000**, as of 2026-08-11. > P30 | AC1225 | GC4225 GC4235 GC4025 GC4035 GC2135 | NC3020 NC3030 NC500H | TT3500 TT5100 | WAP30 | UE6035 UH6400 F7030 | AC830P AC630M AC3000 | Source: https://www.aceratool.com/carbide-insert-grades-chart/ ## Source - https://romaycorp.com/charts/carbide-comparison-chart/ - https://www.aceratool.com/carbide-insert-grades-chart/ Last verified: 2026-08-11. Review by: 2028-08-10. Part of [Carbide insert grade cross-reference by ISO application group and manufacturer](https://referencesource.org/industrial-consumable-tooling-cross-reference/).