# P30 — Carbide insert grade cross-reference by ISO application group and manufacturer

For P30, manufacturer is Walter; grade designation(s) is WXM25 WTP25 WXP25 WTA61 WTL71 WTL14 WAP30 WTL41 WAP35 WTL74 WTP35 WTA51, recorded from its source on 2026-08-11.

- **ISO application code:** P30 _(verified: appears in the quote below)_
- **Manufacturer:** Walter _(our reading, not quoted from the source)_
- **Grade designation(s):** WXM25 WTP25 WXP25 WTA61 WTL71 WTL14 WAP30 WTL41 WAP35 WTL74 WTP35 WTA51 _(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 | T725 TD930 T325 GH330 AH330 AH120 | KC792M KC9045 CD4 KC7020 KC7025 KC7215 KC7225 KC7935 KC633M KC8050 | IC9025 IC950 | SV230 SV330 SV935 | WXM25 WTP25 WXP25 WTA61 WTL71 WTL14 WAP30 WTL41 WAP35 WTL74 WTP35 WTA51 |

## 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 **WXM25 WTP25 WXP25 WTA61 WTL71 WTL14 WAP30 WTL41 WAP35 WTL74 WTP35 WTA51**, 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 | T725 TD930 T325 GH330 AH330 AH120 | KC792M KC9045 CD4 KC7020 KC7025 KC7215 KC7225 KC7935 KC633M KC8050 | IC9025 IC950 | SV230 SV330 SV935 | WXM25 WTP25 WXP25 WTA61 WTL71 WTL14 WAP30 WTL41 WAP35 WTL74 WTP35 WTA51 |

Source: https://romaycorp.com/charts/carbide-comparison-chart/

aceratool.com says grade designation(s) is **WAP30**, as of 2026-08-11.

> P30 | AC1225 | GC4225 GC4235 GC4025 GC4035 GC2135 | NC3020 NC3030 NC500H | TT3500 TT5100 | WAP30 |

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/).